int main (int argc, char **argv)
{
AFfilesetup setup;
if ((setup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, "Could not allocate file setup.\n");
exit(EXIT_FAILURE);
}
afInitFileFormat(setup, AF_FILE_IRCAM);
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_FLOAT, 32);
char *testFileName;
if (!createTemporaryFile("floatto24", &testFileName))
{
fprintf(stderr, "Could not create temporary file.\n");
exit(EXIT_FAILURE);
}
AFfilehandle file = afOpenFile(testFileName, "w", setup);
if (file == AF_NULL_FILEHANDLE)
{
printf("could not open file for writing\n");
exit(EXIT_FAILURE);
}
afFreeFileSetup(setup);
AFframecount framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples,
frameCount);
if (framesWritten != frameCount)
{
fprintf(stderr, "Wrong number of frames read.\n");
exit(EXIT_FAILURE);
}
if (afCloseFile(file) != 0)
{
fprintf(stderr, "Closing file returned non-zero status.\n");
exit(EXIT_FAILURE);
}
file = afOpenFile(testFileName, "r", AF_NULL_FILESETUP);
if (file == AF_NULL_FILEHANDLE)
{
fprintf(stderr, "Could not open file for writing.\n");
exit(EXIT_FAILURE);
}
if (afSetVirtualSampleFormat(file, AF_DEFAULT_TRACK,
AF_SAMPFMT_TWOSCOMP, 24) != 0)
{
fprintf(stderr, "afSetVirtualSampleFormat returned non-zero status.\n");
exit(EXIT_FAILURE);
}
int readSamples[frameCount];
for (int i=0; i<frameCount; i++)
readSamples[i] = -1000 - i;
AFframecount framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readSamples,
frameCount);
if (framesRead != frameCount)
{
fprintf(stderr, "Wrong number of frames read.\n");
exit(EXIT_FAILURE);
}
for (int i=0; i<framesRead; i++)
{
#ifdef DEBUG
printf("[%d] = %d\n", i, readSamples[i]);
#endif
if (readSamples[i] == -1000 - i)
{
fprintf(stderr, "Data in destination array untouched.\n");
exit(EXIT_FAILURE);
}
/*
Ensure that the high-order 8 bits represent
sign extension: only 0x00 (+) or 0xff (-) is
valid.
*/
if ((readSamples[i] & 0xff000000) != 0x000000 &&
(readSamples[i] & 0xff000000) != 0xff000000)
{
fprintf(stderr, "Data is not within range of "
"{-2^23, ..., 2^23-1}.\n");
exit(EXIT_FAILURE);
}
if (readSamples[i] != referenceConvertedSamples[i])
{
fprintf(stderr, "Data doesn't match reference data.\n");
exit(EXIT_FAILURE);
}
}
if (afCloseFile(file) != 0)
{
fprintf(stderr, "Closing file returned non-zero status.\n");
exit(EXIT_FAILURE);
}
unlink(testFileName);
free(testFileName);
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
AFfilehandle inhandle;
AFfilehandle refhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
int frames;
int outframes;
float x;
double pre_energy;
double post_energy;
double ref_energy;
double diff_energy;
int16_t pre_amp[BLOCKS_PER_READ*BLOCK_LEN];
int16_t post_amp[BLOCKS_PER_READ*BLOCK_LEN];
int16_t ref_amp[BLOCKS_PER_READ*BLOCK_LEN];
int16_t log_amp[BLOCKS_PER_READ*BLOCK_LEN*3];
uint8_t lpc10_data[BLOCKS_PER_READ*7];
double xx;
lpc10_encode_state_t *lpc10_enc_state;
lpc10_decode_state_t *lpc10_dec_state;
int i;
int block_no;
int log_error;
int compress;
int decompress;
const char *in_file_name;
int compress_file;
int decompress_file;
int len;
compress = FALSE;
decompress = FALSE;
log_error = TRUE;
in_file_name = IN_FILE_NAME;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-c") == 0)
{
compress = TRUE;
continue;
}
if (strcmp(argv[i], "-d") == 0)
{
decompress = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
in_file_name = argv[++i];
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_error = FALSE;
continue;
}
}
compress_file = -1;
decompress_file = -1;
inhandle = AF_NULL_FILEHANDLE;
refhandle = AF_NULL_FILEHANDLE;
outhandle = AF_NULL_FILEHANDLE;
if (!decompress)
{
if ((inhandle = afOpenFile(in_file_name, "r", 0)) == AF_NULL_FILEHANDLE)
{
printf(" Cannot open wave file '%s'\n", in_file_name);
exit(2);
}
if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
{
printf(" Unexpected frame size in wave file '%s'\n", in_file_name);
exit(2);
}
if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
printf(" Unexpected sample rate in wave file '%s'\n", in_file_name);
exit(2);
}
if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
{
printf(" Unexpected number of channels in wave file '%s'\n", in_file_name);
exit(2);
}
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
if ((refhandle = afOpenFile(REF_FILE_NAME, "r", 0)) == AF_NULL_FILEHANDLE)
{
printf(" Cannot open wave file '%s'\n", REF_FILE_NAME);
exit(2);
}
if ((x = afGetFrameSize(refhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
{
printf(" Unexpected frame size in wave file '%s'\n", REF_FILE_NAME);
exit(2);
}
if ((x = afGetRate(refhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
printf(" Unexpected sample rate in wave file '%s'\n", REF_FILE_NAME);
exit(2);
}
if ((x = afGetChannels(refhandle, AF_DEFAULT_TRACK)) != 1.0)
{
printf(" Unexpected number of channels in wave file '%s'\n", REF_FILE_NAME);
exit(2);
}
}
else
{
if ((decompress_file = open(DECOMPRESS_FILE_NAME, O_RDONLY)) < 0)
{
fprintf(stderr, " Cannot open decompressed data file '%s'\n", DECOMPRESS_FILE_NAME);
exit(2);
}
}
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
if ((lpc10_enc_state = lpc10_encode_init(NULL, TRUE)) == NULL)
{
fprintf(stderr, " Cannot create encoder\n");
exit(2);
}
if ((lpc10_dec_state = lpc10_decode_init(NULL, TRUE)) == NULL)
{
fprintf(stderr, " Cannot create decoder\n");
exit(2);
}
if (compress)
{
if ((compress_file = open(COMPRESS_FILE_NAME, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0)
{
fprintf(stderr, " Cannot create compressed data file '%s'\n", COMPRESS_FILE_NAME);
exit(2);
}
}
pre_energy = 0.0;
post_energy = 0.0;
ref_energy = 0.0;
diff_energy = 0.0;
if (decompress)
{
while ((len = read(decompress_file, lpc10_data, BLOCKS_PER_READ*7)) > 0)
{
lpc10_decode(lpc10_dec_state, post_amp, lpc10_data, len/7);
outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, post_amp, BLOCK_LEN*len/7);
}
}
else
{
block_no = 0;
while ((frames = afReadFrames(inhandle, AF_DEFAULT_TRACK, pre_amp, BLOCKS_PER_READ*BLOCK_LEN)) == BLOCKS_PER_READ*BLOCK_LEN
&&
(frames = afReadFrames(refhandle, AF_DEFAULT_TRACK, ref_amp, BLOCKS_PER_READ*BLOCK_LEN)) == BLOCKS_PER_READ*BLOCK_LEN)
{
lpc10_encode(lpc10_enc_state, lpc10_data, pre_amp, BLOCKS_PER_READ);
if (compress)
write(compress_file, lpc10_data, BLOCKS_PER_READ*7);
lpc10_decode(lpc10_dec_state, post_amp, lpc10_data, BLOCKS_PER_READ);
for (i = 0; i < BLOCK_LEN; i++)
{
pre_energy += (double) pre_amp[i]*(double) pre_amp[i];
post_energy += (double) post_amp[i]*(double) post_amp[i];
ref_energy += (double) ref_amp[i]*(double) ref_amp[i];
/* The reference file has some odd clipping, so eliminate this from the
energy measurement. */
if (ref_amp[i] == 32767 || ref_amp[i] == -32768)
xx = 0.0;
else
xx = post_amp[i] - ref_amp[i];
diff_energy += (double) xx*(double) xx;
log_amp[i] = xx;
}
block_no++;
if (log_error)
outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, log_amp, frames);
else
outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, post_amp, frames);
}
if (afCloseFile(inhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", in_file_name);
exit(2);
}
if (afCloseFile(refhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", REF_FILE_NAME);
exit(2);
}
}
if (afCloseFile(outhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
if (compress)
close(compress_file);
if (decompress)
close(decompress_file);
lpc10_encode_release(lpc10_enc_state);
lpc10_decode_release(lpc10_dec_state);
if (!decompress)
{
printf("Output energy is %f%% of input energy.\n", 100.0*post_energy/pre_energy);
printf("Difference energy is %f%% of the total.\n", 100.0*diff_energy/ref_energy);
if (fabs(1.0 - post_energy/pre_energy) > 0.05
||
fabs(diff_energy/post_energy) > 0.03)
{
printf("Tests failed.\n");
exit(2);
}
printf("Tests passed.\n");
}
return 0;
}
int main(int argc, char *argv[])
{
g726_state_t enc_state;
g726_state_t dec_state;
int len2;
int len3;
int i;
int test;
int bits_per_code;
int itutests;
int bit_rate;
int bad_samples;
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
int16_t amp[1024];
int frames;
int outframes;
int conditioning_samples;
int samples;
int conditioning_adpcm;
int adpcm;
int packing;
float x;
i = 1;
bit_rate = 32000;
itutests = TRUE;
packing = G726_PACKING_NONE;
while (argc > i)
{
if (strcmp(argv[i], "-16") == 0)
{
bit_rate = 16000;
itutests = FALSE;
i++;
}
else if (strcmp(argv[i], "-24") == 0)
{
bit_rate = 24000;
itutests = FALSE;
i++;
}
else if (strcmp(argv[i], "-32") == 0)
{
bit_rate = 32000;
itutests = FALSE;
i++;
}
else if (strcmp(argv[i], "-40") == 0)
{
bit_rate = 40000;
itutests = FALSE;
i++;
}
else if (strcmp(argv[i], "-l") == 0)
{
packing = G726_PACKING_LEFT;
i++;
}
else if (strcmp(argv[i], "-r") == 0)
{
packing = G726_PACKING_RIGHT;
i++;
}
else
{
fprintf(stderr, "Unknown parameter %s specified.\n", argv[i]);
exit(2);
}
}
len2 = 0;
conditioning_samples = 0;
if (itutests)
{
for (test = 0; itu_test_sets[test].rate; test++)
{
printf("Test %2d: '%s' + '%s'\n"
" -> '%s' + '%s'\n"
" -> '%s' [%d, %d, %d]\n",
test,
itu_test_sets[test].conditioning_pcm_file,
itu_test_sets[test].pcm_file,
itu_test_sets[test].conditioning_adpcm_file,
itu_test_sets[test].adpcm_file,
itu_test_sets[test].output_file,
itu_test_sets[test].rate,
itu_test_sets[test].compression_law,
itu_test_sets[test].decompression_law);
switch (itu_test_sets[test].rate)
{
case 16000:
bits_per_code = 2;
break;
case 24000:
bits_per_code = 3;
break;
case 32000:
default:
bits_per_code = 4;
break;
case 40000:
bits_per_code = 5;
break;
}
if (itu_test_sets[test].compression_law != G726_ENCODING_NONE)
{
/* Test the encode side */
g726_init(&enc_state, itu_test_sets[test].rate, itu_test_sets[test].compression_law, G726_PACKING_NONE);
if (itu_test_sets[test].conditioning_pcm_file[0])
{
conditioning_samples = get_test_vector(itu_test_sets[test].conditioning_pcm_file, xlaw, MAX_TEST_VECTOR_LEN);
printf("Test %d: Homing %d samples at %dbps\n", test, conditioning_samples, itu_test_sets[test].rate);
}
else
{
conditioning_samples = 0;
}
samples = get_test_vector(itu_test_sets[test].pcm_file, xlaw + conditioning_samples, MAX_TEST_VECTOR_LEN);
memcpy(itudata, xlaw, samples + conditioning_samples);
printf("Test %d: Compressing %d samples at %dbps\n", test, samples, itu_test_sets[test].rate);
len2 = g726_encode(&enc_state, adpcmdata, itudata, conditioning_samples + samples);
}
/* Test the decode side */
g726_init(&dec_state, itu_test_sets[test].rate, itu_test_sets[test].decompression_law, G726_PACKING_NONE);
if (itu_test_sets[test].conditioning_adpcm_file[0])
{
conditioning_adpcm = get_test_vector(itu_test_sets[test].conditioning_adpcm_file, unpacked, MAX_TEST_VECTOR_LEN);
printf("Test %d: Homing %d octets at %dbps\n", test, conditioning_adpcm, itu_test_sets[test].rate);
}
else
{
conditioning_adpcm = 0;
}
adpcm = get_test_vector(itu_test_sets[test].adpcm_file, unpacked + conditioning_adpcm, MAX_TEST_VECTOR_LEN);
if (itu_test_sets[test].compression_law != G726_ENCODING_NONE)
{
/* Test our compressed version against the reference compressed version */
printf("Test %d: Compressed data check - %d/%d octets\n", test, conditioning_adpcm + adpcm, len2);
if (conditioning_adpcm + adpcm == len2)
{
for (bad_samples = 0, i = conditioning_samples; i < len2; i++)
{
if (adpcmdata[i] != unpacked[i])
{
bad_samples++;
printf("Test %d: Compressed mismatch %d %x %x\n", test, i, adpcmdata[i], unpacked[i]);
}
}
if (bad_samples > 0)
{
printf("Test failed\n");
exit(2);
}
printf("Test passed\n");
}
else
{
printf("Test %d: Length mismatch - ref = %d, processed = %d\n", test, conditioning_adpcm + adpcm, len2);
exit(2);
}
}
len3 = g726_decode(&dec_state, outdata, unpacked, conditioning_adpcm + adpcm);
/* Get the output reference data */
samples = get_test_vector(itu_test_sets[test].output_file, xlaw, MAX_TEST_VECTOR_LEN);
memcpy(itu_ref, xlaw, samples);
/* Test our decompressed version against the reference decompressed version */
printf("Test %d: Decompressed data check - %d/%d samples\n", test, samples, len3 - conditioning_adpcm);
if (samples == len3 - conditioning_adpcm)
{
for (bad_samples = 0, i = 0; i < len3; i++)
{
if (itu_ref[i] != ((uint8_t *) outdata)[i + conditioning_adpcm])
{
bad_samples++;
printf("Test %d: Decompressed mismatch %d %x %x\n", test, i, itu_ref[i], ((uint8_t *) outdata)[i + conditioning_adpcm]);
}
}
if (bad_samples > 0)
{
printf("Test failed\n");
exit(2);
}
printf("Test passed\n");
}
else
{
printf("Test %d: Length mismatch - ref = %d, processed = %d\n", test, samples, len3 - conditioning_adpcm);
exit(2);
}
}
printf("Tests passed.\n");
}
else
{
if ((inhandle = afOpenFile(IN_FILE_NAME, "r", 0)) == AF_NULL_FILEHANDLE)
{
printf(" Cannot open wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
{
printf(" Unexpected frame size in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
printf(" Unexpected sample rate in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
{
printf(" Unexpected number of channels in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup);
if (outhandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
printf("ADPCM packing is %d\n", packing);
g726_init(&enc_state, bit_rate, G726_ENCODING_LINEAR, packing);
g726_init(&dec_state, bit_rate, G726_ENCODING_LINEAR, packing);
while ((frames = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, 159)))
{
adpcm = g726_encode(&enc_state, adpcmdata, amp, frames);
frames = g726_decode(&dec_state, amp, adpcmdata, adpcm);
outframes = afWriteFrames(outhandle, AF_DEFAULT_TRACK, amp, frames);
}
if (afCloseFile(inhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if (afCloseFile(outhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
printf("'%s' transcoded to '%s' at %dbps.\n", IN_FILE_NAME, OUT_FILE_NAME, bit_rate);
}
return 0;
}
void testalaw (int fileFormat)
{
AFfilehandle file;
AFfilesetup setup;
uint16_t samples[] = {8, 24, 88, 120, 184, 784, 912, 976,
1120, 1440, 1888, 8960, 9984, 16128, 19968, 32256};
uint16_t readsamples[SAMPLE_COUNT];
AFframecount framesWritten, framesRead;
int i;
setup = afNewFileSetup();
afInitCompression(setup, AF_DEFAULT_TRACK, AF_COMPRESSION_G711_ALAW);
afInitFileFormat(setup, fileFormat);
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
file = afOpenFile(TEST_FILE, "w", setup);
afFreeFileSetup(setup);
ensure(afGetCompression(file, AF_DEFAULT_TRACK) ==
AF_COMPRESSION_G711_ALAW,
"test file not created with G.711 A-law compression");
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for writing");
framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples,
FRAME_COUNT);
ensure(framesWritten == FRAME_COUNT,
"number of frames requested does not match number of frames written");
afCloseFile(file);
/* Open the file for reading and verify the data. */
file = afOpenFile(TEST_FILE, "r", NULL);
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for reading");
ensure(afGetFileFormat(file, NULL) == fileFormat,
"test file format incorrect");
ensure(afGetCompression(file, AF_DEFAULT_TRACK) ==
AF_COMPRESSION_G711_ALAW,
"test file not opened with G.711 A-law compression");
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readsamples,
FRAME_COUNT);
ensure(framesRead == FRAME_COUNT,
"number of frames read does not match number of frames requested");
#ifdef DEBUG
for (i=0; i<SAMPLE_COUNT; i++)
printf("readsamples[%d]: %d\n", i, readsamples[i]);
for (i=0; i<SAMPLE_COUNT; i++)
printf("samples[%d]: %d\n", i, samples[i]);
#endif
for (i=0; i<SAMPLE_COUNT; i++)
{
ensure(samples[i] == readsamples[i],
"data written does not match data read");
}
/* G.711 compression uses one byte per sample. */
ensure(afGetTrackBytes(file, AF_DEFAULT_TRACK) == SAMPLE_COUNT,
"track byte count is incorrect");
ensure(afGetFrameCount(file, AF_DEFAULT_TRACK) == FRAME_COUNT,
"frame count is incorrect");
ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 1,
"channel count is incorrect");
ensure(afCloseFile(file) == 0, "error closing file");
cleanup();
}
int main(int argc, char *argv[])
{
v27ter_rx_state_t rx;
v27ter_tx_state_t tx;
bert_results_t bert_results;
int16_t gen_amp[BLOCK_LEN];
int16_t amp[BLOCK_LEN];
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
int outframes;
int samples;
int tep;
int test_bps;
int noise_level;
int signal_level;
int bits_per_test;
int line_model_no;
int block;
int log_audio;
int channel_codec;
int rbs_pattern;
float x;
int opt;
channel_codec = MUNGE_CODEC_NONE;
rbs_pattern = 0;
test_bps = 4800;
tep = FALSE;
line_model_no = 0;
decode_test_file = NULL;
use_gui = FALSE;
noise_level = -70;
signal_level = -13;
bits_per_test = 50000;
log_audio = FALSE;
while ((opt = getopt(argc, argv, "b:c:d:glm:n:r:s:t")) != -1)
{
switch (opt)
{
case 'b':
bits_per_test = atoi(optarg);
break;
case 'c':
channel_codec = atoi(optarg);
break;
case 'd':
decode_test_file = optarg;
break;
case 'g':
#if defined(ENABLE_GUI)
use_gui = TRUE;
#else
fprintf(stderr, "Graphical monitoring not available\n");
exit(2);
#endif
break;
case 'l':
log_audio = TRUE;
break;
case 'm':
line_model_no = atoi(optarg);
break;
case 'n':
noise_level = atoi(optarg);
break;
case 'r':
rbs_pattern = atoi(optarg);
break;
case 's':
signal_level = atoi(optarg);
break;
case 't':
tep = TRUE;
break;
default:
//usage();
exit(2);
break;
}
}
argc -= optind;
argv += optind;
if (argc > 0)
{
if (strcmp(argv[0], "4800") == 0)
test_bps = 4800;
else if (strcmp(argv[0], "2400") == 0)
test_bps = 2400;
else
{
fprintf(stderr, "Invalid bit rate\n");
exit(2);
}
}
inhandle = NULL;
outhandle = NULL;
filesetup = AF_NULL_FILESETUP;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
}
if (decode_test_file)
{
/* We will decode the audio from a wave file. */
if ((inhandle = afOpenFile(decode_test_file, "r", NULL)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot open wave file '%s'\n", decode_test_file);
exit(2);
}
if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0f)
{
printf(" Unexpected frame size in speech file '%s' (%f)\n", decode_test_file, x);
exit(2);
}
if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
printf(" Unexpected sample rate in speech file '%s' (%f)\n", decode_test_file, x);
exit(2);
}
if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0f)
{
printf(" Unexpected number of channels in speech file '%s' (%f)\n", decode_test_file, x);
exit(2);
}
}
else
{
/* We will generate V.27ter audio, and add some noise to it. */
v27ter_tx_init(&tx, test_bps, tep, v27tergetbit, NULL);
v27ter_tx_power(&tx, signal_level);
v27ter_tx_set_modem_status_handler(&tx, v27ter_tx_status, (void *) &tx);
/* Move the carrier off a bit */
tx.carrier_phase_rate = dds_phase_ratef(1810.0f);
bert_init(&bert, bits_per_test, BERT_PATTERN_ITU_O152_11, test_bps, 20);
bert_set_report(&bert, 10000, reporter, NULL);
if ((line_model = one_way_line_model_init(line_model_no, (float) noise_level, channel_codec, rbs_pattern)) == NULL)
{
fprintf(stderr, " Failed to create line model\n");
exit(2);
}
}
v27ter_rx_init(&rx, test_bps, v27terputbit, NULL);
v27ter_rx_set_modem_status_handler(&rx, v27ter_rx_status, (void *) &rx);
v27ter_rx_set_qam_report_handler(&rx, qam_report, (void *) &rx);
span_log_set_level(&rx.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_FLOW);
span_log_set_tag(&rx.logging, "V.27ter-rx");
#if defined(ENABLE_GUI)
if (use_gui)
{
qam_monitor = qam_monitor_init(2.0f, NULL);
if (!decode_test_file)
{
start_line_model_monitor(129);
line_model_monitor_line_model_update(line_model->near_filter, line_model->near_filter_len);
}
}
#endif
memset(&latest_results, 0, sizeof(latest_results));
for (block = 0; ; block++)
{
if (decode_test_file)
{
samples = afReadFrames(inhandle,
AF_DEFAULT_TRACK,
amp,
BLOCK_LEN);
#if defined(ENABLE_GUI)
if (use_gui)
qam_monitor_update_audio_level(qam_monitor, amp, samples);
#endif
if (samples == 0)
break;
}
else
{
samples = v27ter_tx(&tx, gen_amp, BLOCK_LEN);
#if defined(ENABLE_GUI)
if (use_gui)
qam_monitor_update_audio_level(qam_monitor, gen_amp, samples);
#endif
if (samples == 0)
{
printf("Restarting on zero output\n");
/* Push a little silence through, to ensure all the data bits get out of the buffers */
memset(amp, 0, BLOCK_LEN*sizeof(int16_t));
v27ter_rx(&rx, amp, BLOCK_LEN);
v27ter_rx(&rx, amp, BLOCK_LEN);
v27ter_rx(&rx, amp, BLOCK_LEN);
/* Note that we might get a few bad bits as the carrier shuts down. */
bert_result(&bert, &bert_results);
fprintf(stderr, "Final result %ddBm0, %d bits, %d bad bits, %d resyncs\n", signal_level, bert_results.total_bits, bert_results.bad_bits, bert_results.resyncs);
fprintf(stderr, "Last report %ddBm0, %d bits, %d bad bits, %d resyncs\n", signal_level, latest_results.total_bits, latest_results.bad_bits, latest_results.resyncs);
/* See if bit errors are appearing yet. Also check we are getting enough bits out of the receiver. The last regular report
should be error free, though the final report will generally contain bits errors as the carrier was dying. The total
number of bits out of the receiver should be at least the number we sent. Also, since BERT sync should have occurred
rapidly at the start of transmission, the last report should have occurred at not much less than the total number of
bits we sent. */
if (bert_results.total_bits < bits_per_test
||
latest_results.total_bits < bits_per_test - 100
||
latest_results.bad_bits != 0)
{
break;
}
memset(&latest_results, 0, sizeof(latest_results));
signal_level--;
v27ter_tx_restart(&tx, test_bps, tep);
v27ter_tx_power(&tx, signal_level);
v27ter_rx_restart(&rx, test_bps, FALSE);
bert_init(&bert, bits_per_test, BERT_PATTERN_ITU_O152_11, test_bps, 20);
bert_set_report(&bert, 10000, reporter, NULL);
one_way_line_model_release(line_model);
if ((line_model = one_way_line_model_init(line_model_no, (float) noise_level, channel_codec, 0)) == NULL)
{
fprintf(stderr, " Failed to create line model\n");
exit(2);
}
}
if (log_audio)
{
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
gen_amp,
samples);
if (outframes != samples)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
one_way_line_model(line_model, amp, gen_amp, samples);
}
#if defined(ENABLE_GUI)
if (use_gui && !decode_test_file)
line_model_monitor_line_spectrum_update(amp, samples);
#endif
v27ter_rx(&rx, amp, samples);
if (decode_test_file == NULL && block%500 == 0)
printf("Noise level is %d\n", noise_level);
}
if (!decode_test_file)
{
bert_result(&bert, &bert_results);
fprintf(stderr, "At completion:\n");
fprintf(stderr, "Final result %ddBm0, %d bits, %d bad bits, %d resyncs\n", signal_level, bert_results.total_bits, bert_results.bad_bits, bert_results.resyncs);
fprintf(stderr, "Last report %ddBm0, %d bits, %d bad bits, %d resyncs\n", signal_level, latest_results.total_bits, latest_results.bad_bits, latest_results.resyncs);
one_way_line_model_release(line_model);
if (signal_level > -43)
{
printf("Tests failed.\n");
exit(2);
}
printf("Tests passed.\n");
}
#if defined(ENABLE_GUI)
if (use_gui)
qam_wait_to_end(qam_monitor);
#endif
if (log_audio)
{
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
}
return 0;
}
int main(int argc, char *argv[])
{
AFfilehandle outhandle;
AFfilesetup filesetup;
power_meter_t power_meter;
int outframes;
int i;
int block;
int pre;
int post;
int alaw_failures;
int ulaw_failures;
float worst_alaw;
float worst_ulaw;
float tmp;
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
printf("Conversion accuracy tests.\n");
alaw_failures = 0;
ulaw_failures = 0;
worst_alaw = 0.0;
worst_ulaw = 0.0;
for (block = 0; block < 1; block++)
{
for (i = 0; i < 65536; i++)
{
pre = i - 32768;
post = alaw_to_linear(linear_to_alaw(pre));
if (abs(pre) > 140)
{
tmp = (float) abs(post - pre)/(float) abs(pre);
if (tmp > 0.10)
{
printf("A-law: Excessive error at %d (%d)\n", pre, post);
alaw_failures++;
}
if (tmp > worst_alaw)
worst_alaw = tmp;
}
else
{
/* Small values need different handling for sensible measurement */
if (abs(post - pre) > 15)
{
printf("A-law: Excessive error at %d (%d)\n", pre, post);
alaw_failures++;
}
}
amp[i] = post;
}
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
65536);
if (outframes != 65536)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
for (i = 0; i < 65536; i++)
{
pre = i - 32768;
post = ulaw_to_linear(linear_to_ulaw(pre));
if (abs(pre) > 40)
{
tmp = (float) abs(post - pre)/(float) abs(pre);
if (tmp > 0.10)
{
printf("u-law: Excessive error at %d (%d)\n", pre, post);
ulaw_failures++;
}
if (tmp > worst_ulaw)
worst_ulaw = tmp;
}
else
{
/* Small values need different handling for sensible measurement */
if (abs(post - pre) > 4)
{
printf("u-law: Excessive error at %d (%d)\n", pre, post);
ulaw_failures++;
}
}
amp[i] = post;
}
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
65536);
if (outframes != 65536)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
printf("Worst A-law error (ignoring small values) %f%%\n", worst_alaw*100.0);
printf("Worst u-law error (ignoring small values) %f%%\n", worst_ulaw*100.0);
if (alaw_failures || ulaw_failures)
{
printf("%d A-law values with excessive error\n", alaw_failures);
printf("%d u-law values with excessive error\n", ulaw_failures);
printf("Tests failed\n");
exit(2);
}
printf("Reference power level tests.\n");
power_meter_init(&power_meter, 7);
for (i = 0; i < 8000; i++)
{
amp[i] = ulaw_to_linear(ulaw_1khz_sine[i & 7]);
power_meter_update(&power_meter, amp[i]);
}
printf("Reference u-law 1kHz tone is %fdBm0\n", power_meter_dbm0(&power_meter));
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
8000);
if (outframes != 8000)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
if (0.1f < fabs(power_meter_dbm0(&power_meter)))
{
printf("Test failed.\n");
exit(2);
}
for (i = 0; i < 8000; i++)
{
amp[i] = alaw_to_linear(alaw_1khz_sine[i & 7]);
power_meter_update(&power_meter, amp[i]);
}
printf("Reference A-law 1kHz tone is %fdBm0\n", power_meter_dbm0(&power_meter));
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
8000);
if (outframes != 8000)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
if (0.1f < fabs(power_meter_dbm0(&power_meter)))
{
printf("Test failed.\n");
exit(2);
}
/* Check the transcoding functions. */
printf("Testing transcoding A-law -> u-law -> A-law\n");
for (i = 0; i < 256; i++)
{
if (alaw_to_ulaw(ulaw_to_alaw(i)) != i)
{
if (abs(alaw_to_ulaw(ulaw_to_alaw(i)) - i) > 1)
{
printf("u-law -> A-law -> u-law gave %d -> %d\n", i, alaw_to_ulaw(ulaw_to_alaw(i)));
printf("Test failed\n");
exit(2);
}
}
}
printf("Testing transcoding u-law -> A-law -> u-law\n");
for (i = 0; i < 256; i++)
{
if (ulaw_to_alaw(alaw_to_ulaw(i)) != i)
{
if (abs(alaw_to_ulaw(ulaw_to_alaw(i)) - i) > 1)
{
printf("A-law -> u-law -> A-law gave %d -> %d\n", i, ulaw_to_alaw(alaw_to_ulaw(i)));
printf("Test failed\n");
exit(2);
}
}
}
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
printf("Tests passed.\n");
return 0;
}
int main(int argc, char *argv[])
{
pthread_attr_t attr;
struct zt_bufferinfo b;
struct zt_gains g;
int chan;
int chanx;
char dev_name[20];
AFfilesetup filesetup;
int j;
filesetup = afNewFileSetup();
if (filesetup == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
rxhandle = afOpenFile("rxadsi.wav", "w", filesetup);
if (rxhandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open adsi audio file\n");
exit(2);
}
txhandle = afOpenFile("txadsi.wav", "w", filesetup);
if (txhandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open adsi audio file\n");
exit(2);
}
uc_start();
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
if (argc < 1)
{
fprintf(stderr, "Usage: testcall [call]\n");
exit(1);
}
/*endif*/
for (chan = 0; chan < 1/*30*/; chan++)
{
chan_stuff[chan].sig_fd = open("/dev/zap/channel", O_RDWR | O_NONBLOCK);
if (chan_stuff[chan].sig_fd < 0)
{
fprintf(stderr, "Failed to open channel: %s\n", strerror(errno));
exit(1);
}
/*endif*/
chan_stuff[chan].fd = chan_stuff[chan].sig_fd;
/* Allow for the missing channel at TS16 */
if (chan < 15)
chanx = chan + 1;
else
chanx = chan + 2;
/*endif*/
if (ioctl(chan_stuff[chan].fd, ZT_SPECIFY, &chanx))
{
fprintf(stderr, "Failed to specify channel %d: %s\n", chanx, strerror(errno));
exit(1);
}
/*endif*/
if (ioctl(chan_stuff[chan].fd, ZT_GET_BUFINFO, &b))
{
fprintf(stderr, "Unable to get buffer info on channel %d: %s\n", chanx, strerror(errno));
exit(1);
}
/*endif*/
printf ("%d %d %d %d %d %d\n",
b.rxbufpolicy,
b.txbufpolicy,
b.numbufs,
b.bufsize,
b.readbufs,
b.writebufs);
b.rxbufpolicy = ZT_POLICY_IMMEDIATE;
b.txbufpolicy = ZT_POLICY_IMMEDIATE;
b.numbufs = 4;
b.bufsize = 160;
if (ioctl(chan_stuff[chan].fd, ZT_SET_BUFINFO, &b))
{
fprintf(stderr, "Unable to set buffer info on channel %d: %s\n", chanx, strerror(errno));
exit(1);
}
/*endif*/
if (ioctl(chan_stuff[chan].fd, ZT_GET_BUFINFO, &b))
{
fprintf(stderr, "Unable to get buffer info on channel %d: %s\n", chanx, strerror(errno));
exit(1);
}
/*endif*/
for (j = 0; j < 256; j++)
{
g.rxgain[j] = j;
g.txgain[j] = j;
}
ioctl(chan_stuff[chan].fd, ZT_SETGAINS, &g);
printf("%d %d %d %d %d %d\n",
b.rxbufpolicy,
b.txbufpolicy,
b.numbufs,
b.bufsize,
b.readbufs,
b.writebufs);
if (argc > 1)
caller_mode = TRUE;
/*endif*/
chan_stuff[chan].chan = chan;
sprintf(dev_name, "Chan %2d:", chanx);
chan_stuff[chan].tag = strdup(dev_name);
sprintf(chan_stuff[chan].originating_number, "%d", 987654321 + chan);
sprintf(chan_stuff[chan].destination_number, "%d", 1234 + chan);
printf("Thread for channel %d\n", chan);
if (pthread_create(&chan_stuff[chan].thread, &attr, run_uc, &chan_stuff[chan].chan))
exit(2);
/*endif*/
}
/*endfor*/
for (;;)
{
sleep(5);
printf("Main thread\n");
}
/*endfor*/
exit(0);
return 0;
}
int main(int argc, char *argv[])
{
int i;
int16_t amp[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
v8_state_t v8_caller;
v8_state_t v8_answerer;
int outframes;
int samples;
int remnant;
int caller_available_modulations;
int answerer_available_modulations;
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
int opt;
char *decode_test_file;
float x;
decode_test_file = NULL;
while ((opt = getopt(argc, argv, "d:")) != -1)
{
switch (opt)
{
case 'd':
decode_test_file = optarg;
break;
default:
//usage();
exit(2);
break;
}
}
caller_available_modulations = V8_MOD_V17
| V8_MOD_V21
| V8_MOD_V22
| V8_MOD_V23HALF
| V8_MOD_V23
| V8_MOD_V26BIS
| V8_MOD_V26TER
| V8_MOD_V27TER
| V8_MOD_V29
| V8_MOD_V32
| V8_MOD_V34HALF
| V8_MOD_V34
| V8_MOD_V90
| V8_MOD_V92;
answerer_available_modulations = V8_MOD_V17
| V8_MOD_V21
| V8_MOD_V22
| V8_MOD_V23HALF
| V8_MOD_V23
| V8_MOD_V26BIS
| V8_MOD_V26TER
| V8_MOD_V27TER
| V8_MOD_V29
| V8_MOD_V32
| V8_MOD_V34HALF
| V8_MOD_V34
| V8_MOD_V90
| V8_MOD_V92;
if (decode_test_file == NULL)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
v8_init(&v8_caller, TRUE, caller_available_modulations, handler, (void *) "caller");
v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer");
span_log_set_level(&v8_caller.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(&v8_caller.logging, "caller");
span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(&v8_answerer.logging, "answerer");
for (i = 0; i < 1000; i++)
{
samples = v8_tx(&v8_caller, amp, SAMPLES_PER_CHUNK);
if (samples < SAMPLES_PER_CHUNK)
{
memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
samples = SAMPLES_PER_CHUNK;
}
remnant = v8_rx(&v8_answerer, amp, samples);
for (i = 0; i < samples; i++)
out_amp[2*i] = amp[i];
samples = v8_tx(&v8_answerer, amp, SAMPLES_PER_CHUNK);
if (samples < SAMPLES_PER_CHUNK)
{
memset(amp + samples, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - samples));
samples = SAMPLES_PER_CHUNK;
}
if (v8_rx(&v8_caller, amp, samples) && remnant)
break;
for (i = 0; i < samples; i++)
out_amp[2*i + 1] = amp[i];
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
out_amp,
samples);
if (outframes != samples)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
v8_release(&v8_caller);
v8_release(&v8_answerer);
if (negotiations_ok != 2)
{
printf("Tests failed.\n");
exit(2);
}
printf("Tests passed.\n");
}
else
{
printf("Decode file '%s'\n", decode_test_file);
v8_init(&v8_answerer, FALSE, answerer_available_modulations, handler, (void *) "answerer");
span_log_set_level(&v8_answerer.logging, SPAN_LOG_FLOW | SPAN_LOG_SHOW_TAG);
span_log_set_tag(&v8_answerer.logging, "decoder");
if ((inhandle = afOpenFile(decode_test_file, "r", 0)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot open speech file '%s'\n", decode_test_file);
exit (2);
}
/*endif*/
if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
{
fprintf(stderr, " Unexpected frame size in speech file '%s'\n", decode_test_file);
exit (2);
}
/*endif*/
if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
fprintf(stderr, " Unexpected sample rate in speech file '%s'\n", decode_test_file);
exit(2);
}
/*endif*/
if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
{
fprintf(stderr, " Unexpected number of channels in speech file '%s'\n", decode_test_file);
exit(2);
}
/*endif*/
while ((samples = afReadFrames(inhandle, AF_DEFAULT_TRACK, amp, SAMPLES_PER_CHUNK)))
{
remnant = v8_rx(&v8_answerer, amp, samples);
}
/*endwhile*/
v8_release(&v8_answerer);
if (afCloseFile(inhandle) != 0)
{
fprintf(stderr, " Cannot close speech file '%s'\n", decode_test_file);
exit(2);
}
/*endif*/
}
return 0;
}
int main(int argc, char *argv[])
{
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t38_len_a;
int t30_len_a;
int msg_len;
uint8_t msg[1024];
int log_audio;
int outframes;
int t38_version;
int use_ecm;
AFfilesetup filesetup;
AFfilehandle wave_handle;
const char *input_file_name;
int i;
int seq_no;
log_audio = FALSE;
t38_version = 1;
use_ecm = FALSE;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-e") == 0)
{
use_ecm = TRUE;
continue;
}
if (strcmp(argv[i], "-i") == 0)
{
i++;
input_file_name = argv[i];
continue;
}
if (strcmp(argv[i], "-I") == 0)
{
simulate_incrementing_repeats = TRUE;
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_audio = TRUE;
continue;
}
if (strcmp(argv[i], "-v") == 0)
{
i++;
t38_version = atoi(argv[i]);
continue;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup);
if (wave_handle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
if ((path_a_to_b = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = ip_network_model_init(800, 2000, 0)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
fax_init(&fax_state_a, TRUE);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_ecm_control(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_terminal_init(&t38_state_b, FALSE, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_set_t38_version(&t38_state_b.t38, t38_version);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
span_log_set_level(&t38_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t30_state.logging, "T.38-B");
t30_set_local_ident(&t38_state_b.t30_state, "22222222");
t30_set_rx_file(&t38_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&t38_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&t38_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&t38_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_ecm_capability(&t38_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&t38_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t38_terminal_send_timeout(&t38_state_b, SAMPLES_PER_CHUNK);
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK);
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[2*i] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[2*i + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
while ((msg_len = ip_network_model_get(path_a_to_b, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_b.t38, seq_no, msg, msg_len);
while ((msg_len = ip_network_model_get(path_b_to_a, SAMPLES_PER_CHUNK, msg, 1024, &seq_no)) >= 0)
t38_core_rx_ifp_packet(&t38_state_a.t38, seq_no, msg, msg_len);
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
int main(int argc, char *argv[])
{
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
int frames;
int new_frames;
int out_frames;
int count;
time_scale_t state;
float x;
float rate;
int16_t in[BLOCK_LEN];
int16_t out[5*BLOCK_LEN];
if ((inhandle = afOpenFile(IN_FILE_NAME, "r", 0)) == AF_NULL_FILEHANDLE)
{
printf(" Cannot open wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetFrameSize(inhandle, AF_DEFAULT_TRACK, 1)) != 2.0)
{
printf(" Unexpected frame size in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetRate(inhandle, AF_DEFAULT_TRACK)) != (float) SAMPLE_RATE)
{
printf(" Unexpected sample rate in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((x = afGetChannels(inhandle, AF_DEFAULT_TRACK)) != 1.0)
{
printf(" Unexpected number of channels in wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
rate = 1.8;
time_scale_init(&state, rate);
count = 0;
while ((frames = afReadFrames(inhandle, AF_DEFAULT_TRACK, in, BLOCK_LEN)))
{
new_frames = time_scale(&state, out, in, frames);
out_frames = afWriteFrames(outhandle, AF_DEFAULT_TRACK, out, new_frames);
if (out_frames != new_frames)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
if (++count > 100)
{
if (rate > 0.5)
{
rate -= 0.1;
if (rate >= 0.99 && rate <= 1.01)
rate -= 0.1;
printf("Rate is %f\n", rate);
time_scale_init(&state, rate);
}
count = 0;
}
}
if (afCloseFile(inhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", IN_FILE_NAME);
exit(2);
}
if (afCloseFile(outhandle) != 0)
{
printf(" Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
return 0;
}
int main (int argc, char **argv)
{
AFfilehandle file;
AFfilesetup setup;
uint16_t samples[] = {11, 51, 101, 501, 1001, 5001, 10001, 50001};
int i;
int sampleFormat, sampleWidth;
int framesRead, framesWritten;
int nativeByteOrder;
#ifdef WORDS_BIGENDIAN
nativeByteOrder = AF_BYTEORDER_BIGENDIAN;
#else
nativeByteOrder = AF_BYTEORDER_LITTLEENDIAN;
#endif
setup = afNewFileSetup();
afInitFileFormat(setup, AF_FILE_RAWDATA);
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
ensure(createTemporaryFile("writeraw", sTestFileName),
"could not create temporary file");
file = afOpenFile(sTestFileName, "w", setup);
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for writing");
framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples, 8);
ensure(framesWritten == 8,
"number of frames written does not match number of frames requested");
ensure(afCloseFile(file) == 0, "error closing file");
file = afOpenFile(sTestFileName, "r", setup);
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for reading");
afFreeFileSetup(setup);
ensure(afGetFileFormat(file, NULL) == AF_FILE_RAWDATA,
"test file not created as raw audio data file");
afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
ensure(sampleFormat == AF_SAMPFMT_TWOSCOMP,
"test file not two's complement");
ensure(sampleWidth == 16,
"test file sample format is not 16-bit");
ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 1,
"test file doesn't have exactly one channel");
ensure(afGetByteOrder(file, AF_DEFAULT_TRACK) == nativeByteOrder,
"test file not in native byte order");
for (i=0; i<8; i++)
{
uint16_t temporary;
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, &temporary, 1);
ensure(framesRead == 1,
"number of frames read does not match number of frames requested");
ensure(temporary == samples[i],
"data written to file doesn't match data read from file");
}
ensure(afCloseFile(file) == 0, "error closing file");
cleanup();
printf("writeraw test passed.\n");
exit(EXIT_SUCCESS);
}
int main (void)
{
AFfilehandle file;
AFfilesetup setup;
int32_t *buffer, *readbuffer;
int i;
AFframecount frameswritten, framesread;
setup = afNewFileSetup();
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 24);
ensure(createTemporaryFile("twentyfour2", &sTestFileName),
"could not create temporary file");
file = afOpenFile(sTestFileName, "w", setup);
ensure(file != NULL, "could not open test file for writing");
afFreeFileSetup(setup);
buffer = malloc(sizeof (int32_t) * FRAME_COUNT);
ensure(buffer != NULL, "could not allocate buffer for audio data");
readbuffer = malloc(sizeof (int32_t) * FRAME_COUNT);
ensure(readbuffer != NULL, "could not allocate buffer for audio data");
for (i=0; i<FRAME_COUNT; i++)
{
if ((i%3) == 0)
buffer[i] = -i;
else
buffer[i] = i;
}
frameswritten = afWriteFrames(file, AF_DEFAULT_TRACK, buffer, FRAME_COUNT);
ensure(frameswritten == FRAME_COUNT, "incorrect number of frames written");
afCloseFile(file);
/*
Now open file for reading and ensure that the data read
is equal to the data written.
*/
file = afOpenFile(sTestFileName, "r", AF_NULL_FILESETUP);
ensure(file != NULL, "could not open test file for reading");
framesread = afReadFrames(file, AF_DEFAULT_TRACK, readbuffer, FRAME_COUNT);
ensure(framesread == FRAME_COUNT, "incorrect number of frames read");
#ifdef DEBUG
for (i=0; i<FRAME_COUNT; i++)
{
if (buffer[i] != readbuffer[i])
{
printf("buffer[%d] = %d, readbuffer[%d] = %d\n",
i, buffer[i], i, readbuffer[i]);
}
}
#endif
ensure(!memcmp(buffer, readbuffer, sizeof (int32_t) * FRAME_COUNT),
"data read does not match data written");
afCloseFile(file);
free(buffer);
free(readbuffer);
cleanup();
return 0;
}
static void test_one_way_model(int line_model_no, int speech_test)
{
one_way_line_model_state_t *model;
int16_t input1[BLOCK_LEN];
int16_t output1[BLOCK_LEN];
int16_t amp[2*BLOCK_LEN];
AFfilehandle inhandle1;
AFfilehandle outhandle;
AFfilesetup filesetup;
int outframes;
int samples;
int i;
int j;
awgn_state_t noise1;
if ((model = one_way_line_model_init(line_model_no, -50, MUNGE_CODEC_ALAW)) == NULL)
{
fprintf(stderr, " Failed to create line model\n");
exit(2);
}
awgn_init_dbm0(&noise1, 1234567, -10.0f);
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((inhandle1 = afOpenFile(IN_FILE_NAME1, "r", NULL)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot open wave file '%s'\n", IN_FILE_NAME1);
exit(2);
}
if ((outhandle = afOpenFile(OUT_FILE_NAME1, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME1);
exit(2);
}
for (i = 0; i < 10000; i++)
{
if (speech_test)
{
samples = afReadFrames(inhandle1,
AF_DEFAULT_TRACK,
input1,
BLOCK_LEN);
if (samples == 0)
break;
}
else
{
for (j = 0; j < BLOCK_LEN; j++)
input1[j] = awgn(&noise1);
samples = BLOCK_LEN;
}
for (j = 0; j < samples; j++)
{
one_way_line_model(model,
&output1[j],
&input1[j],
1);
amp[j] = output1[j];
}
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
samples);
if (outframes != samples)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
if (afCloseFile(inhandle1))
{
fprintf(stderr, " Cannot close wave file '%s'\n", IN_FILE_NAME1);
exit(2);
}
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUT_FILE_NAME1);
exit(2);
}
afFreeFileSetup(filesetup);
one_way_line_model_release(model);
}
int main(int argc, char *argv[])
{
int i;
int k;
int outframes;
fax_state_t fax_state;
int16_t t30_amp[SAMPLES_PER_CHUNK];
int16_t t31_amp[SAMPLES_PER_CHUNK];
int16_t silence[SAMPLES_PER_CHUNK];
int16_t out_amp[2*SAMPLES_PER_CHUNK];
int t30_len;
int t31_len;
AFfilesetup filesetup;
AFfilehandle wave_handle;
AFfilehandle in_handle;
int log_audio;
int test_sending;
int fast_send;
int fast_blocks;
uint8_t fast_buf[1000];
decode_test_file = NULL;
log_audio = FALSE;
test_sending = FALSE;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-d") == 0)
{
decode_test_file = argv[++i];
continue;
}
if (strcmp(argv[i], "-l") == 0)
{
log_audio = TRUE;
continue;
}
if (strcmp(argv[i], "-r") == 0)
{
test_sending = FALSE;
continue;
}
if (strcmp(argv[i], "-s") == 0)
{
test_sending = TRUE;
continue;
}
}
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
if ((wave_handle = afOpenFile(OUTPUT_WAVE_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
in_handle = NULL;
if (decode_test_file)
{
if ((in_handle = afOpenFile(decode_test_file, "r", NULL)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", decode_test_file);
exit(2);
}
}
if (test_sending)
{
fax_init(&fax_state, FALSE);
t30_set_rx_file(&fax_state.t30_state, OUTPUT_FILE_NAME, -1);
fax_test_seq = fax_send_test_seq;
countdown = 0;
}
else
{
fax_init(&fax_state, TRUE);
t30_set_tx_file(&fax_state.t30_state, INPUT_FILE_NAME, -1, -1);
fax_test_seq = fax_receive_test_seq;
countdown = 250;
}
t30_set_local_ident(&fax_state.t30_state, "11111111");
t30_set_phase_b_handler(&fax_state.t30_state, phase_b_handler, (void *) 0);
t30_set_phase_d_handler(&fax_state.t30_state, phase_d_handler, (void *) 0);
t30_set_phase_e_handler(&fax_state.t30_state, phase_e_handler, (void *) 0);
memset(t30_amp, 0, sizeof(t30_amp));
span_log_set_level(&fax_state.t30_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&fax_state.t30_state.logging, "YYY");
span_log_set_level(&fax_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&fax_state.logging, "YYY");
if (t31_init(&t31_state, at_tx_handler, NULL, modem_call_control, NULL, NULL, NULL) == NULL)
{
fprintf(stderr, " Cannot start the FAX modem\n");
exit(2);
}
span_log_set_level(&t31_state.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&t31_state.logging, "XXX");
fast_send = FALSE;
fast_blocks = 0;
kick = TRUE;
while (!done)
{
if (kick)
{
kick = FALSE;
if (fax_test_seq[test_seq_ptr].command > (const char *) 1)
{
if (fax_test_seq[test_seq_ptr].command[0])
{
printf("%s\n", fax_test_seq[test_seq_ptr].command);
t31_at_rx(&t31_state, fax_test_seq[test_seq_ptr].command, fax_test_seq[test_seq_ptr].len_command);
}
}
else
{
printf("Fast send\n");
fast_send = TRUE;
fast_blocks = 100;
}
}
if (fast_send)
{
/* Send fast modem data */
memset(fast_buf, 0, 36);
if (fast_blocks == 1)
{
/* Insert EOLs */
fast_buf[35] = ETX;
fast_buf[34] = DLE;
fast_buf[31] =
fast_buf[28] =
fast_buf[25] =
fast_buf[22] =
fast_buf[19] =
fast_buf[16] = 1;
}
t31_at_rx(&t31_state, (char *) fast_buf, 36);
if (--fast_blocks == 0)
fast_send = FALSE;
}
t30_len = fax_tx(&fax_state, t30_amp, SAMPLES_PER_CHUNK);
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len < SAMPLES_PER_CHUNK)
{
memset(t30_amp + t30_len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len));
t30_len = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (k = 0; k < t30_len; k++)
out_amp[2*k] = t30_amp[k];
}
if (t31_rx(&t31_state, t30_amp, t30_len))
break;
if (countdown)
{
if (answered)
{
countdown = 0;
t31_call_event(&t31_state, AT_CALL_EVENT_ANSWERED);
}
else if (--countdown == 0)
{
t31_call_event(&t31_state, AT_CALL_EVENT_ALERTING);
countdown = 250;
}
}
t31_len = t31_tx(&t31_state, t31_amp, SAMPLES_PER_CHUNK);
if (t31_len < SAMPLES_PER_CHUNK)
{
memset(t31_amp + t31_len, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t31_len));
t31_len = SAMPLES_PER_CHUNK;
}
if (log_audio)
{
for (k = 0; k < t31_len; k++)
out_amp[2*k + 1] = t31_amp[k];
}
if (fax_rx(&fax_state, t31_amp, SAMPLES_PER_CHUNK))
break;
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
}
if (decode_test_file)
{
if (afCloseFile(in_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", decode_test_file);
exit(2);
}
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_WAVE_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (done)
{
printf("Tests passed\n");
}
return 0;
}
int main (int argc, char **argv)
{
AFfilesetup setup;
AFfilehandle file;
int16_t samples[SAMPLE_COUNT] = {-1,3,9,2,-5,4,8,-3,6,21,11,-2};
int output = 0;
setup = afNewFileSetup();
afInitFileFormat(setup, AF_FILE_RAWDATA);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitChannels(setup, AF_DEFAULT_TRACK, 2);
afInitRate(setup, AF_DEFAULT_TRACK, 44100);
#ifdef WORDS_BIGENDIAN
afInitByteOrder(setup, AF_DEFAULT_TRACK, AF_BYTEORDER_BIGENDIAN);
#else
afInitByteOrder(setup, AF_DEFAULT_TRACK, AF_BYTEORDER_LITTLEENDIAN);
#endif
if (argc > 1 && !strcmp(argv[1], "out"))
output = 1;
if (output)
{
AFframecount framesWritten;
file = afOpenFD(1, "w", setup);
afFreeFileSetup(setup);
framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples,
FRAME_COUNT);
ensure(framesWritten == FRAME_COUNT,
"incorrect number of frames written");
fprintf(stderr, "pipe write passed\n");
}
else
{
AFframecount framesRead;
int16_t samplesRead[SAMPLE_COUNT];
file = afOpenFD(0, "r", setup);
afFreeFileSetup(setup);
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, samplesRead,
FRAME_COUNT);
ensure(framesRead == FRAME_COUNT,
"incorrect number of frames read");
ensure(memcmp(samplesRead, samples,
SAMPLE_COUNT * sizeof (int16_t)) == 0,
"samples read do not match samples written");
fprintf(stderr, "pipe read passed\n");
}
afCloseFile(file);
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
echo_can_state_t *ctx;
awgn_state_t local_noise_source;
awgn_state_t far_noise_source;
int i;
int clean;
int residue;
int16_t rx;
int16_t tx;
int j;
int k;
tone_gen_descriptor_t tone_desc;
tone_gen_state_t tone_state;
int16_t local_sound[40000];
int local_max;
int local_cur;
int16_t hoth_noise;
//int16_t far_sound[SAMPLE_RATE];
//int16_t result_sound[64000];
//int32_t coeffs[200][128];
//int coeff_index;
int far_cur;
int result_cur;
//int far_tx;
AFfilehandle resulthandle;
AFfilesetup filesetup;
AFfilesetup filesetup2;
//int outframes;
time_t now;
int tone_burst_step;
level_measurement_device_t *power_meter_1;
level_measurement_device_t *power_meter_2;
float pp1;
float pp2;
int model_number;
int use_gui;
power_meter_1 = NULL;
power_meter_2 = NULL;
/* Check which tests we should run */
if (argc < 2)
fprintf(stderr, "Usage: echo tests <list of test numbers>\n");
test_list = 0;
model_number = 0;
use_gui = FALSE;
for (i = 1; i < argc; i++)
{
if (strcasecmp(argv[i], "2a") == 0)
test_list |= PERFORM_TEST_2A;
else if (strcasecmp(argv[i], "2b") == 0)
test_list |= PERFORM_TEST_2B;
else if (strcasecmp(argv[i], "2c") == 0)
test_list |= PERFORM_TEST_2C;
else if (strcasecmp(argv[i], "3a") == 0)
test_list |= PERFORM_TEST_3A;
else if (strcasecmp(argv[i], "3b") == 0)
test_list |= PERFORM_TEST_3B;
else if (strcasecmp(argv[i], "3c") == 0)
test_list |= PERFORM_TEST_3C;
else if (strcasecmp(argv[i], "4") == 0)
test_list |= PERFORM_TEST_4;
else if (strcasecmp(argv[i], "5") == 0)
test_list |= PERFORM_TEST_5;
else if (strcasecmp(argv[i], "6") == 0)
test_list |= PERFORM_TEST_6;
else if (strcasecmp(argv[i], "7") == 0)
test_list |= PERFORM_TEST_7;
else if (strcasecmp(argv[i], "8") == 0)
test_list |= PERFORM_TEST_8;
else if (strcasecmp(argv[i], "9") == 0)
test_list |= PERFORM_TEST_9;
else if (strcasecmp(argv[i], "10a") == 0)
test_list |= PERFORM_TEST_10A;
else if (strcasecmp(argv[i], "10b") == 0)
test_list |= PERFORM_TEST_10B;
else if (strcasecmp(argv[i], "10c") == 0)
test_list |= PERFORM_TEST_10C;
else if (strcasecmp(argv[i], "11") == 0)
test_list |= PERFORM_TEST_11;
else if (strcasecmp(argv[i], "12") == 0)
test_list |= PERFORM_TEST_12;
else if (strcasecmp(argv[i], "13") == 0)
test_list |= PERFORM_TEST_13;
else if (strcasecmp(argv[i], "14") == 0)
test_list |= PERFORM_TEST_14;
else if (strcasecmp(argv[i], "15") == 0)
test_list |= PERFORM_TEST_15;
else if (strcmp(argv[i], "-m") == 0)
{
if (++i < argc)
model_number = atoi(argv[i]);
}
else if (strcmp(argv[i], "-g") == 0)
{
use_gui = TRUE;
}
else
{
fprintf(stderr, "Unknown test '%s' specified\n", argv[i]);
exit(2);
}
}
if (test_list == 0)
{
fprintf(stderr, "No tests have been selected\n");
exit(2);
}
time(&now);
tone_burst_step = 0;
ctx = echo_can_create(TEST_EC_TAPS, 0);
awgn_init_dbm0(&far_noise_source, 7162534, -50.0f);
signal_load(&local_css, "sound_c1_8k.wav");
signal_load(&far_css, "sound_c3_8k.wav");
filesetup = afNewFileSetup();
if (filesetup == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 6);
filesetup2 = afNewFileSetup();
if (filesetup2 == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup2, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup2, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup2, AF_FILE_WAVE);
afInitChannels(filesetup2, AF_DEFAULT_TRACK, 1);
resulthandle = afOpenFile("result_sound.wav", "w", filesetup);
if (resulthandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open result file\n");
exit(2);
}
residuehandle = afOpenFile("residue_sound.wav", "w", filesetup2);
if (residuehandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open residue file\n");
exit(2);
}
local_cur = 0;
far_cur = 0;
result_cur = 0;
if (channel_model_create(model_number))
{
fprintf(stderr, " Failed to create line model\n");
exit(2);
}
#if defined(ENABLE_GUI)
if (use_gui)
{
start_echo_can_monitor(TEST_EC_TAPS);
echo_can_monitor_line_model_update(line_model.coeffs, line_model.taps);
}
#endif
power_meter_1 = level_measurement_device_create(0);
power_meter_2 = level_measurement_device_create(0);
level_measurement_device(power_meter_1, 0);
#if 0
echo_can_flush(ctx);
/* Converge the canceller */
signal_restart(&local_css);
for (i = 0; i < 800*2; i++)
{
clean = echo_can_update(ctx, 0, 0);
put_residue(clean);
}
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION | ECHO_CAN_USE_NLP | ECHO_CAN_USE_CNG);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
for (i = 0; i < SAMPLE_RATE*10; i++)
{
tx = signal_amp(&local_css);
#if 0
if ((i/10000)%10 == 9)
{
/* Inject a burst of far sound */
if (far_cur >= far_max)
{
far_max = afReadFrames(farhandle, AF_DEFAULT_TRACK, far_sound, SAMPLE_RATE);
if (far_max < 0)
{
fprintf(stderr, " Error reading far sound\n");
exit(2);
}
if (far_max == 0)
break;
far_cur = 0;
}
far_tx = far_sound[far_cur++];
}
else
{
far_tx = 0;
}
#else
far_sound[0] = 0;
far_tx = 0;
#endif
channel_model(&tx, &rx, tx, far_tx);
//rx += awgn(&far_noise_source);
//tx += awgn(&far_noise_source);
clean = echo_can_update(ctx, tx, rx);
#if defined(XYZZY)
if (i%SAMPLE_RATE == 0)
{
if (coeff_index < 200)
{
for (j = 0; j < ctx->taps; j++)
coeffs[coeff_index][j] = ctx->fir_taps32[j];
coeff_index++;
}
}
#endif
result_sound[result_cur++] = tx;
result_sound[result_cur++] = rx;
result_sound[result_cur++] = clean - far_tx;
//result_sound[result_cur++] = ctx->tx_power[2];
//result_sound[result_cur++] = ctx->tx_power[1];
result_sound[result_cur++] = (ctx->tx_power[1] > 64) ? SAMPLE_RATE : -SAMPLE_RATE;
//result_sound[result_cur++] = ctx->tap_set*SAMPLE_RATE;
//result_sound[result_cur++] = (ctx->nonupdate_dwell > 0) ? SAMPLE_RATE : -SAMPLE_RATE;
//result_sound[result_cur++] = ctx->latest_correction >> 8;
//result_sound[result_cur++] = level_measurement_device(tx)/(16.0*65536.0);
//result_sound[result_cur++] = level_measurement_device(tx)/4096.0;
result_sound[result_cur++] = (ctx->tx_power[1] > ctx->rx_power[0]) ? SAMPLE_RATE : -SAMPLE_RATE;
//result_sound[result_cur++] = (ctx->tx_power[1] > ctx->rx_power[0]) ? SAMPLE_RATE : -SAMPLE_RATE;
//result_sound[result_cur++] = (ctx->narrowband_score)*5; // ? SAMPLE_RATE : -SAMPLE_RATE;
//result_sound[result_cur++] = ctx->tap_rotate_counter*10;
result_sound[result_cur++] = ctx->vad;
put_residue(clean - far_tx);
if (result_cur >= 6*SAMPLE_RATE)
{
outframes = afWriteFrames(resulthandle,
AF_DEFAULT_TRACK,
result_sound,
result_cur/6);
if (outframes != result_cur/6)
{
fprintf(stderr, " Error writing result sound\n");
exit(2);
}
result_cur = 0;
}
}
if (result_cur > 0)
{
outframes = afWriteFrames(resulthandle,
AF_DEFAULT_TRACK,
result_sound,
result_cur/6);
if (outframes != result_cur/4)
{
fprintf(stderr, " Error writing result sound\n");
exit(2);
}
}
#endif
/* Test 1 - Steady state residual and returned echo level test */
/* This functionality has been merged with test 2 in newer versions of G.168,
so test 1 no longer exists. */
/* Test 2 - Convergence and steady state residual and returned echo level test */
if ((test_list & PERFORM_TEST_2A))
{
printf("Performing test 2A - Convergence with NLP enabled\n");
/* Test 2A - Convergence with NLP enabled */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION | ECHO_CAN_USE_NLP);
/* Converge the canceller */
signal_restart(&local_css);
for (i = 0; i < 800*2; i++)
{
clean = echo_can_update(ctx, 0, 0);
put_residue(clean);
}
for (i = 0; i < SAMPLE_RATE*50; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
pp1 = level_measurement_device(power_meter_1, rx);
pp2 = level_measurement_device(power_meter_2, clean);
residue = 100.0*pp1/pp2;
put_residue(residue);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_2B))
{
printf("Performing test 2B - Convergence with NLP disabled\n");
/* Test 2B - Convergence with NLP disabled */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge a canceller */
signal_restart(&local_css);
for (i = 0; i < 800*2; i++)
{
clean = echo_can_update(ctx, 0, 0);
put_residue(clean);
}
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_2C))
{
printf("Performing test 2C - Convergence with background noise present\n");
/* Test 2C - Convergence with background noise present */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge a canceller */
signal_restart(&local_css);
for (i = 0; i < 800*2; i++)
{
clean = echo_can_update(ctx, 0, 0);
put_residue(clean);
}
/* TODO: This uses a crude approx. to Hoth noise. We need the real thing. */
awgn_init_dbm0(&far_noise_source, 7162534, -40.0f);
hoth_noise = 0;
for (i = 0; i < SAMPLE_RATE*5; i++)
{
hoth_noise = hoth_noise*0.625 + awgn(&far_noise_source)*0.375;
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, hoth_noise);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Now freeze adaption, and measure the echo. */
echo_can_adaption_mode(ctx, 0);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
/* Test 3 - Performance under double talk conditions */
if ((test_list & PERFORM_TEST_3A))
{
printf("Performing test 3A - Double talk test with low cancelled-end levels\n");
/* Test 3A - Double talk test with low cancelled-end levels */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
signal_restart(&local_css);
signal_restart(&far_css);
/* Apply double talk, with a weak far end signal */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
rx = signal_amp(&far_css)/20;
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean - rx);
}
/* Now freeze adaption. */
echo_can_adaption_mode(ctx, 0);
for (i = 0; i < 800*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Now measure the echo */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_3B))
{
printf("Performing test 3B - Double talk test with high cancelled-end levels\n");
/* Test 3B - Double talk test with high cancelled-end levels */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
signal_restart(&local_css);
signal_restart(&far_css);
/* Converge the canceller */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Apply double talk */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
rx = signal_amp(&far_css);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean - rx);
}
/* Now freeze adaption. */
echo_can_adaption_mode(ctx, 0);
for (i = 0; i < 800*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Now measure the echo */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_3C))
{
printf("Performing test 3C - Double talk test with simulated conversation\n");
/* Test 3C - Double talk test with simulated conversation */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
signal_restart(&local_css);
signal_restart(&far_css);
/* Apply double talk */
for (i = 0; i < 800*56; i++)
{
tx = signal_amp(&local_css);
rx = signal_amp(&far_css);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean - rx);
}
/* Stop the far signal */
for (i = 0; i < 800*14; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Continue measuring the resulting echo */
for (i = 0; i < 800*50; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Reapply double talk */
signal_restart(&far_css);
for (i = 0; i < 800*56; i++)
{
tx = signal_amp(&local_css);
rx = signal_amp(&far_css);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean - rx);
}
/* Now the far signal only */
for (i = 0; i < 800*56; i++)
{
tx = 0;
rx = signal_amp(&far_css);
channel_model(&tx, &rx, 0, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean - rx);
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_4))
{
printf("Performing test 4 - Leak rate test\n");
/* Test 4 - Leak rate test */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge a canceller */
signal_restart(&local_css);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Put 2 minutes of silence through it */
for (i = 0; i < SAMPLE_RATE*120; i++)
{
clean = echo_can_update(ctx, 0, 0);
put_residue(clean);
}
/* Now freeze it, and check if it is still well adapted. */
echo_can_adaption_mode(ctx, 0);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_5))
{
printf("Performing test 5 - Infinite return loss convergence test\n");
/* Test 5 - Infinite return loss convergence test */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge the canceller */
signal_restart(&local_css);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Now stop echoing, and see we don't do anything unpleasant as the
echo path is open looped. */
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
rx = 0;
tx = codec_munge(tx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_6))
{
printf("Performing test 6 - Non-divergence on narrow-band signals\n");
/* Test 6 - Non-divergence on narrow-band signals */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge the canceller */
signal_restart(&local_css);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Now put 5s bursts of a list of tones through the converged canceller, and check
that bothing unpleasant happens. */
for (k = 0; tones_6_4_2_7[k][0]; k++)
{
make_tone_gen_descriptor(&tone_desc,
tones_6_4_2_7[k][0],
-11,
tones_6_4_2_7[k][1],
-9,
1,
0,
0,
0,
1);
tone_gen_init(&tone_state, &tone_desc);
j = 0;
for (i = 0; i < 5; i++)
{
local_max = tone_gen(&tone_state, local_sound, SAMPLE_RATE);
for (j = 0; j < SAMPLE_RATE; j++)
{
tx = local_sound[j];
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
#if defined(ENABLE_GUI)
if (use_gui)
{
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
echo_can_monitor_update_display();
usleep(100000);
}
#endif
}
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_7))
{
printf("Performing test 7 - Stability\n");
/* Test 7 - Stability */
/* Put tones through an unconverged canceller, and check nothing unpleasant
happens. */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
make_tone_gen_descriptor(&tone_desc,
tones_6_4_2_7[0][0],
-11,
tones_6_4_2_7[0][1],
-9,
1,
0,
0,
0,
1);
tone_gen_init(&tone_state, &tone_desc);
j = 0;
for (i = 0; i < 120; i++)
{
local_max = tone_gen(&tone_state, local_sound, SAMPLE_RATE);
for (j = 0; j < SAMPLE_RATE; j++)
{
tx = local_sound[j];
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
#if defined(ENABLE_GUI)
if (use_gui)
{
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
echo_can_monitor_update_display();
usleep(100000);
}
#endif
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
if ((test_list & PERFORM_TEST_8))
{
printf("Performing test 8 - Non-convergence on No 5, 6, and 7 in-band signalling\n");
/* Test 8 - Non-convergence on No 5, 6, and 7 in-band signalling */
fprintf(stderr, "Test 8 not yet implemented\n");
}
if ((test_list & PERFORM_TEST_9))
{
printf("Performing test 9 - Comfort noise test\n");
/* Test 9 - Comfort noise test */
/* Test 9 part 1 - matching */
echo_can_flush(ctx);
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION);
/* Converge the canceller */
signal_restart(&local_css);
for (i = 0; i < SAMPLE_RATE*5; i++)
{
tx = signal_amp(&local_css);
channel_model(&tx, &rx, tx, 0);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
echo_can_adaption_mode(ctx, ECHO_CAN_USE_ADAPTION | ECHO_CAN_USE_NLP | ECHO_CAN_USE_CNG);
awgn_init_dbm0(&far_noise_source, 7162534, -45.0f);
for (i = 0; i < SAMPLE_RATE*30; i++)
{
tx = 0;
rx = awgn(&far_noise_source);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
awgn_init_dbm0(&local_noise_source, 1234567, -10.0f);
for (i = 0; i < SAMPLE_RATE*2; i++)
{
tx = awgn(&local_noise_source);
rx = awgn(&far_noise_source);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
/* Test 9 part 2 - adjust down */
awgn_init_dbm0(&far_noise_source, 7162534, -55.0f);
for (i = 0; i < SAMPLE_RATE*10; i++)
{
tx = 0;
rx = awgn(&far_noise_source);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
for (i = 0; i < SAMPLE_RATE*2; i++)
{
tx = awgn(&local_noise_source);
rx = awgn(&far_noise_source);
channel_model(&tx, &rx, tx, rx);
clean = echo_can_update(ctx, tx, rx);
put_residue(clean);
}
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_can_update(ctx->fir_taps16[ctx->tap_set], TEST_EC_TAPS);
#endif
}
/* Test 10 - FAX test during call establishment phase */
if ((test_list & PERFORM_TEST_10A))
{
printf("Performing test 10A - Canceller operation on the calling station side\n");
/* Test 10A - Canceller operation on the calling station side */
fprintf(stderr, "Test 10A not yet implemented\n");
}
if ((test_list & PERFORM_TEST_10B))
{
printf("Performing test 10B - Canceller operation on the called station side\n");
/* Test 10B - Canceller operation on the called station side */
fprintf(stderr, "Test 10B not yet implemented\n");
}
if ((test_list & PERFORM_TEST_10C))
{
printf("Performing test 10C - Canceller operation on the calling station side during page\n"
"transmission and page breaks (for further study)\n");
/* Test 10C - Canceller operation on the calling station side during page
transmission and page breaks (for further study) */
fprintf(stderr, "Test 10C not yet implemented\n");
}
if ((test_list & PERFORM_TEST_11))
{
printf("Performing test 11 - Tandem echo canceller test (for further study)\n");
/* Test 11 - Tandem echo canceller test (for further study) */
fprintf(stderr, "Test 11 not yet implemented\n");
}
if ((test_list & PERFORM_TEST_12))
{
printf("Performing test 12 - Residual acoustic echo test (for further study)\n");
/* Test 12 - Residual acoustic echo test (for further study) */
fprintf(stderr, "Test 12 not yet implemented\n");
}
if ((test_list & PERFORM_TEST_13))
{
printf("Performing test 13 - Performance with ITU-T low-bit rate coders in echo path (Optional, under study)\n");
/* Test 13 - Performance with ITU-T low-bit rate coders in echo path
(Optional, under study) */
fprintf(stderr, "Test 13 not yet implemented\n");
}
if ((test_list & PERFORM_TEST_14))
{
printf("Performing test 14 - Performance with V-series low-speed data modems\n");
/* Test 14 - Performance with V-series low-speed data modems */
fprintf(stderr, "Test 14 not yet implemented\n");
}
if ((test_list & PERFORM_TEST_15))
{
printf("Performing test 15 - PCM offset test (Optional)\n");
/* Test 15 - PCM offset test (Optional) */
fprintf(stderr, "Test 15 not yet implemented\n");
}
echo_can_free(ctx);
signal_free(&local_css);
signal_free(&far_css);
if (afCloseFile(resulthandle) != 0)
{
fprintf(stderr, " Cannot close speech file '%s'\n", "result_sound.wav");
exit(2);
}
if (afCloseFile(residuehandle) != 0)
{
fprintf(stderr, " Cannot close speech file '%s'\n", "residue_sound.wav");
exit(2);
}
afFreeFileSetup(filesetup);
afFreeFileSetup(filesetup2);
#if defined(XYZZY)
for (j = 0; j < ctx->taps; j++)
{
for (i = 0; i < coeff_index; i++)
fprintf(stderr, "%d ", coeffs[i][j]);
fprintf(stderr, "\n");
}
#endif
printf("Run time %lds\n", time(NULL) - now);
#if defined(ENABLE_GUI)
if (use_gui)
echo_can_monitor_wait_to_end();
#endif
if (power_meter_1)
level_measurement_device_release(power_meter_1);
if (power_meter_2)
level_measurement_device_release(power_meter_2);
printf("Tests passed.\n");
return 0;
}
int testmarkers (int fileformat)
{
AFfilehandle file;
AFfilesetup setup;
int markids[] = {1, 2, 3, 4};
AFframecount markpositions[] = {14, 54, 23, 101};
const char *marknames[] = {"one", "two", "three", "four"};
short frames[FRAME_COUNT * 2] = {0};
int readmarkcount;
int readmarkids[4];
AFframecount frameswritten;
setup = afNewFileSetup();
ensure(setup != AF_NULL_FILESETUP, "Could not create file setup");
afInitFileFormat(setup, fileformat);
afInitChannels(setup, AF_DEFAULT_TRACK, 2);
afInitMarkIDs(setup, AF_DEFAULT_TRACK, markids, 4);
afInitMarkName(setup, AF_DEFAULT_TRACK, markids[0], marknames[0]);
afInitMarkName(setup, AF_DEFAULT_TRACK, markids[1], marknames[1]);
afInitMarkName(setup, AF_DEFAULT_TRACK, markids[2], marknames[2]);
afInitMarkName(setup, AF_DEFAULT_TRACK, markids[3], marknames[3]);
file = afOpenFile(sTestFileName, "w", setup);
ensure(file != AF_NULL_FILEHANDLE, "Could not open file for writing");
afFreeFileSetup(setup);
frameswritten = afWriteFrames(file, AF_DEFAULT_TRACK, frames, FRAME_COUNT);
ensure(frameswritten == FRAME_COUNT, "Error writing audio data");
afSetMarkPosition(file, AF_DEFAULT_TRACK, markids[0], markpositions[0]);
afSetMarkPosition(file, AF_DEFAULT_TRACK, markids[1], markpositions[1]);
afSetMarkPosition(file, AF_DEFAULT_TRACK, markids[2], markpositions[2]);
afSetMarkPosition(file, AF_DEFAULT_TRACK, markids[3], markpositions[3]);
afCloseFile(file);
file = afOpenFile(sTestFileName, "r", NULL);
ensure(file != AF_NULL_FILEHANDLE, "Could not open file for reading");
readmarkcount = afGetMarkIDs(file, AF_DEFAULT_TRACK, NULL);
ensure(readmarkcount == 4, "Number of markers is not correct");
afGetMarkIDs(file, AF_DEFAULT_TRACK, readmarkids);
for (int i=0; i<readmarkcount; i++)
ensure(readmarkids[i] = markids[i],
"Marker identification numbers do not match");
for (int i=0; i<readmarkcount; i++)
{
AFframecount readmarkposition;
const char *readmarkname;
readmarkposition = afGetMarkPosition(file, AF_DEFAULT_TRACK, readmarkids[i]);
readmarkname = afGetMarkName(file, AF_DEFAULT_TRACK, readmarkids[i]);
ensure(readmarkposition == markpositions[i],
"Marker positions do not match");
ensure(strcmp(readmarkname, marknames[i]) == 0,
"Marker names do not match");
}
afCloseFile(file);
return EXIT_SUCCESS;
}
static void dynamic_buffer_tests(void)
{
playout_state_t *s;
playout_frame_t frame;
playout_frame_t *p;
plc_state_t plc;
time_scale_state_t ts;
int16_t *amp;
int16_t fill[BLOCK_LEN];
int16_t buf[20*BLOCK_LEN];
int16_t out[10*BLOCK_LEN];
timestamp_t time_stamp;
timestamp_t next_actual_receive;
timestamp_t next_scheduled_receive;
int near_far_time_offset;
int rng;
int i;
int j;
int ret;
int len;
int inframes;
int outframes;
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
filesetup = afNewFileSetup();
if (filesetup == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
inhandle = afOpenFile(INPUT_FILE_NAME, "r", NULL);
if (inhandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open wave file '%s'\n", INPUT_FILE_NAME);
exit(2);
}
outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup);
if (outhandle == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to create wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
near_far_time_offset = 54321;
time_stamp = 12345;
next_actual_receive = time_stamp + near_far_time_offset;
next_scheduled_receive = 0;
for (i = 0; i < BLOCK_LEN; i++)
fill[i] = 32767;
if ((s = playout_new(2*BLOCK_LEN, 15*BLOCK_LEN)) == NULL)
return;
plc_init(&plc);
time_scale_init(&ts, 1.0);
for (i = 0; i < 1000000; i++)
{
if (i >= next_actual_receive)
{
amp = malloc(BLOCK_LEN*sizeof(int16_t));
inframes = afReadFrames(inhandle,
AF_DEFAULT_TRACK,
amp,
BLOCK_LEN);
if (inframes < BLOCK_LEN)
break;
ret = playout_put(s,
amp,
PLAYOUT_TYPE_SPEECH,
inframes,
time_stamp,
next_actual_receive);
#if 0
switch (ret)
{
case PLAYOUT_OK:
printf("<< Record\n");
break;
case PLAYOUT_ERROR:
printf("<< Error\n");
break;
default:
printf("<< Eh?\n");
break;
}
#endif
rng = rand() & 0xFF;
if (i < 100000)
rng = (rng*rng) >> 7;
else if (i < 200000)
rng = (rng*rng) >> 6;
else if (i < 300000)
static void testADPCM(int fileFormat, int compressionFormat, int channelCount,
int bytesPerPacket, int framesPerPacket, int frameCount, int threshold)
{
std::string testFileName;
ASSERT_TRUE(createTemporaryFile("ADPCM", &testFileName));
AFfilesetup setup = afNewFileSetup();
afInitFileFormat(setup, fileFormat);
afInitChannels(setup, AF_DEFAULT_TRACK, channelCount);
afInitCompression(setup, AF_DEFAULT_TRACK, compressionFormat);
AFfilehandle file = afOpenFile(testFileName.c_str(), "w", setup);
ASSERT_TRUE(file);
afFreeFileSetup(setup);
int16_t *data = new int16_t[frameCount * channelCount];
for (int i=0; i<frameCount; i++)
for (int c=0; c<channelCount; c++)
data[i*channelCount + c] = i * ((c&1) ? -1 : 1);
AFframecount framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, data, frameCount);
ASSERT_EQ(framesWritten, frameCount);
ASSERT_EQ(afCloseFile(file), 0);
file = afOpenFile(testFileName.c_str(), "r", AF_NULL_FILESETUP);
ASSERT_TRUE(file);
ASSERT_EQ(afGetCompression(file, AF_DEFAULT_TRACK), compressionFormat);
ASSERT_EQ(afGetFrameCount(file, AF_DEFAULT_TRACK), frameCount);
ASSERT_EQ(afGetTrackBytes(file, AF_DEFAULT_TRACK),
(bytesPerPacket * frameCount) / framesPerPacket);
int16_t *readData = new int16_t[frameCount * channelCount];
AFframecount framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readData, frameCount);
ASSERT_EQ(framesRead, frameCount);
for (int i=0; i<frameCount; i++)
for (int c=0; c<channelCount; c++)
EXPECT_LE(std::abs(data[i*channelCount + c] - readData[i*channelCount + c]), threshold);
int16_t *offsetReadData = new int16_t[frameCount * channelCount];
// Read entire file with a seek before each read operation.
for (AFframecount offset = 0; offset < frameCount; offset += framesPerPacket + 3)
{
ASSERT_EQ(afSeekFrame(file, AF_DEFAULT_TRACK, offset), offset);
AFframecount framesToRead = 1091;
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, offsetReadData, framesToRead);
ASSERT_EQ(framesRead, std::min(framesToRead, frameCount - offset));
for (int i=0; i<framesRead; i++)
for (int c=0; c<channelCount; c++)
EXPECT_EQ(readData[(i+offset)*channelCount + c],
offsetReadData[i*channelCount + c]);
}
// Read entire file sequentially in multiple read operations.
ASSERT_EQ(afSeekFrame(file, AF_DEFAULT_TRACK, 0), 0);
AFframecount framesToRead = 1087;
for (AFframecount offset = 0; offset < frameCount; offset += framesToRead)
{
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, offsetReadData, framesToRead);
ASSERT_EQ(framesRead, std::min(framesToRead, frameCount - offset));
for (int i=0; i<framesRead; i++)
for (int c=0; c<channelCount; c++)
EXPECT_EQ(readData[(i+offset)*channelCount + c],
offsetReadData[i*channelCount + c]);
}
ASSERT_EQ(afCloseFile(file), 0);
delete [] data;
delete [] readData;
delete [] offsetReadData;
ASSERT_EQ(::unlink(testFileName.c_str()), 0);
}
static boolByte _openSampleSourceWave(void *sampleSourcePtr, const SampleSourceOpenAs openAs) {
SampleSource sampleSource = (SampleSource)sampleSourcePtr;
#if HAVE_LIBAUDIOFILE
SampleSourceAudiofileData extraData = sampleSource->extraData;
#else
SampleSourcePcmData extraData = (SampleSourcePcmData)sampleSource->extraData;
#endif
if(openAs == SAMPLE_SOURCE_OPEN_READ) {
#if HAVE_LIBAUDIOFILE
extraData->fileHandle = afOpenFile(sampleSource->sourceName->data, "r", NULL);
if(extraData->fileHandle != NULL) {
setNumChannels(afGetVirtualChannels(extraData->fileHandle, AF_DEFAULT_TRACK));
setSampleRate((float)afGetRate(extraData->fileHandle, AF_DEFAULT_TRACK));
}
#else
extraData->fileHandle = fopen(sampleSource->sourceName->data, "rb");
if(extraData->fileHandle != NULL) {
if(_readWaveFileInfo(sampleSource->sourceName->data, extraData)) {
setNumChannels(extraData->numChannels);
setSampleRate(extraData->sampleRate);
}
else {
fclose(extraData->fileHandle);
extraData->fileHandle = NULL;
}
}
#endif
}
else if(openAs == SAMPLE_SOURCE_OPEN_WRITE) {
#if HAVE_LIBAUDIOFILE
AFfilesetup outfileSetup = afNewFileSetup();
afInitFileFormat(outfileSetup, AF_FILE_WAVE);
afInitByteOrder(outfileSetup, AF_DEFAULT_TRACK, AF_BYTEORDER_LITTLEENDIAN);
afInitChannels(outfileSetup, AF_DEFAULT_TRACK, getNumChannels());
afInitRate(outfileSetup, AF_DEFAULT_TRACK, getSampleRate());
afInitSampleFormat(outfileSetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, DEFAULT_BITRATE);
extraData->fileHandle = afOpenFile(sampleSource->sourceName->data, "w", outfileSetup);
#else
extraData->fileHandle = fopen(sampleSource->sourceName->data, "wb");
if(extraData->fileHandle != NULL) {
extraData->numChannels = (unsigned short)getNumChannels();
extraData->sampleRate = (unsigned int)getSampleRate();
extraData->bitsPerSample = 16;
if(!_writeWaveFileInfo(extraData)) {
fclose(extraData->fileHandle);
extraData->fileHandle = NULL;
}
}
#endif
}
else {
logInternalError("Invalid type for openAs in WAVE file");
return false;
}
if(extraData->fileHandle == NULL) {
logError("WAVE file '%s' could not be opened for %s",
sampleSource->sourceName->data, openAs == SAMPLE_SOURCE_OPEN_READ ? "reading" : "writing");
return false;
}
sampleSource->openedAs = openAs;
return true;
}
int main(int argc, char *argv[])
{
int16_t caller_amp[BLOCK_LEN];
int16_t answerer_amp[BLOCK_LEN];
int16_t caller_model_amp[BLOCK_LEN];
int16_t answerer_model_amp[BLOCK_LEN];
int16_t out_amp[2*BLOCK_LEN];
AFfilehandle outhandle;
AFfilesetup filesetup;
int outframes;
int samples;
int i;
int test_bps;
int line_model_no;
int bits_per_test;
int noise_level;
int signal_level;
int log_audio;
int channel_codec;
int opt;
channel_codec = MUNGE_CODEC_NONE;
test_bps = 2400;
line_model_no = 0;
noise_level = -70;
signal_level = -13;
bits_per_test = 50000;
log_audio = FALSE;
while ((opt = getopt(argc, argv, "b:c:glm:n:s:")) != -1)
{
switch (opt)
{
case 'b':
bits_per_test = atoi(optarg);
break;
case 'c':
channel_codec = atoi(optarg);
break;
case 'g':
#if defined(ENABLE_GUI)
use_gui = TRUE;
#else
fprintf(stderr, "Graphical monitoring not available\n");
exit(2);
#endif
break;
case 'l':
log_audio = TRUE;
break;
case 'm':
line_model_no = atoi(optarg);
break;
case 'n':
noise_level = atoi(optarg);
break;
case 's':
signal_level = atoi(optarg);
break;
default:
//usage();
exit(2);
break;
}
}
argc -= optind;
argv += optind;
if (argc > 0)
{
if (strcmp(argv[0], "2400") == 0)
test_bps = 2400;
else if (strcmp(argv[0], "1200") == 0)
test_bps = 1200;
else
{
fprintf(stderr, "Invalid bit rate\n");
exit(2);
}
}
filesetup = AF_NULL_FILESETUP;
outhandle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 2);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
}
v22bis_init(&caller, test_bps, 2, TRUE, v22bis_getbit, v22bis_putbit, &caller);
v22bis_tx_power(&caller, signal_level);
/* Move the carrier off a bit */
caller.tx.carrier_phase_rate = dds_phase_ratef(1207.0f);
v22bis_init(&answerer, test_bps, 2, FALSE, v22bis_getbit, v22bis_putbit, &answerer);
v22bis_tx_power(&answerer, signal_level);
answerer.tx.carrier_phase_rate = dds_phase_ratef(2407.0f);
v22bis_set_qam_report_handler(&caller, qam_report, (void *) &qam_caller);
v22bis_set_qam_report_handler(&answerer, qam_report, (void *) &qam_answerer);
span_log_set_level(&caller.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&caller.logging, "caller");
span_log_set_level(&answerer.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_SHOW_TAG | SPAN_LOG_FLOW);
span_log_set_tag(&answerer.logging, "answerer");
qam_caller.s = &caller;
qam_caller.smooth_power = 0.0f;
qam_caller.symbol_no = 0;
qam_answerer.s = &answerer;
qam_answerer.smooth_power = 0.0f;
qam_answerer.symbol_no = 0;
#if defined(ENABLE_GUI)
if (use_gui)
{
qam_caller.qam_monitor = qam_monitor_init(6.0f, "Calling modem");
qam_answerer.qam_monitor = qam_monitor_init(6.0f, "Answering modem");
}
#endif
if ((model = both_ways_line_model_init(line_model_no, (float) noise_level, line_model_no, (float) noise_level, channel_codec, 0)) == NULL)
{
fprintf(stderr, " Failed to create line model\n");
exit(2);
}
for (;;)
{
samples = v22bis_tx(&caller, caller_amp, BLOCK_LEN);
#if defined(ENABLE_GUI)
if (use_gui)
qam_monitor_update_audio_level(qam_caller.qam_monitor, caller_amp, samples);
#endif
if (samples == 0)
{
printf("Restarting on zero output\n");
v22bis_restart(&caller, test_bps);
rx_ptr = 0;
tx_ptr = 0;
}
samples = v22bis_tx(&answerer, answerer_amp, BLOCK_LEN);
#if defined(ENABLE_GUI)
if (use_gui)
qam_monitor_update_audio_level(qam_answerer.qam_monitor, answerer_amp, samples);
#endif
if (samples == 0)
{
printf("Restarting on zero output\n");
v22bis_restart(&answerer, test_bps);
rx_ptr = 0;
tx_ptr = 0;
}
both_ways_line_model(model,
caller_model_amp,
caller_amp,
answerer_model_amp,
answerer_amp,
samples);
v22bis_rx(&answerer, caller_model_amp, samples);
for (i = 0; i < samples; i++)
out_amp[2*i] = caller_model_amp[i];
for ( ; i < BLOCK_LEN; i++)
out_amp[2*i] = 0;
v22bis_rx(&caller, answerer_model_amp, samples);
for (i = 0; i < samples; i++)
out_amp[2*i + 1] = answerer_model_amp[i];
for ( ; i < BLOCK_LEN; i++)
out_amp[2*i + 1] = 0;
if (log_audio)
{
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
out_amp,
BLOCK_LEN);
if (outframes != BLOCK_LEN)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
}
if (log_audio)
{
if (afCloseFile(outhandle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
}
return 0;
}
int main(int argc, char *argv[])
{
int16_t silence[SAMPLES_PER_CHUNK];
int16_t t30_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_a[SAMPLES_PER_CHUNK];
int16_t t38_amp_b[SAMPLES_PER_CHUNK];
int16_t t30_amp_b[SAMPLES_PER_CHUNK];
int16_t out_amp[SAMPLES_PER_CHUNK*4];
int t30_len_a;
int t38_len_a;
int t38_len_b;
int t30_len_b;
int log_audio;
int msg_len;
uint8_t msg[1024];
int outframes;
AFfilesetup filesetup;
AFfilehandle wave_handle;
int use_ecm;
int use_tep;
int use_transmit_on_idle;
int t38_version;
const char *input_file_name;
int i;
int seq_no;
int model_no;
int speed_pattern_no;
double tx_when;
double rx_when;
int use_gui;
int opt;
log_audio = FALSE;
use_ecm = FALSE;
t38_version = 1;
input_file_name = INPUT_FILE_NAME;
simulate_incrementing_repeats = FALSE;
model_no = 0;
speed_pattern_no = 1;
use_gui = FALSE;
use_tep = FALSE;
use_transmit_on_idle = TRUE;
while ((opt = getopt(argc, argv, "egi:Ilm:s:tv:")) != -1)
{
switch (opt)
{
case 'e':
use_ecm = TRUE;
break;
case 'g':
use_gui = TRUE;
break;
case 'i':
input_file_name = optarg;
break;
case 'I':
simulate_incrementing_repeats = TRUE;
break;
case 'l':
log_audio = TRUE;
break;
case 'm':
model_no = optarg[0] - 'A' + 1;
break;
case 's':
speed_pattern_no = atoi(optarg);
break;
case 't':
use_tep = TRUE;
break;
case 'v':
t38_version = atoi(optarg);
break;
}
}
printf("Using T.38 version %d\n", t38_version);
if (use_ecm)
printf("Using ECM\n");
filesetup = AF_NULL_FILESETUP;
wave_handle = AF_NULL_FILEHANDLE;
if (log_audio)
{
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 4);
if ((wave_handle = afOpenFile(OUTPUT_FILE_NAME_WAVE, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
}
memset(silence, 0, sizeof(silence));
srand48(0x1234567);
if ((path_a_to_b = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if ((path_b_to_a = g1050_init(model_no, speed_pattern_no, 100, 33)) == NULL)
{
fprintf(stderr, "Failed to start IP network path model\n");
exit(2);
}
if (fax_init(&fax_state_a, TRUE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_a, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_a, use_tep);
//t30_set_supported_modems(&(fax_state_a.t30_state), T30_SUPPORT_V27TER | T30_SUPPORT_V29);
t30_set_local_ident(&fax_state_a.t30_state, "11111111");
t30_set_tx_file(&fax_state_a.t30_state, input_file_name, -1, -1);
t30_set_phase_b_handler(&fax_state_a.t30_state, phase_b_handler, (void *) (intptr_t) 'A');
t30_set_phase_d_handler(&fax_state_a.t30_state, phase_d_handler, (void *) (intptr_t) 'A');
t30_set_phase_e_handler(&fax_state_a.t30_state, phase_e_handler, (void *) (intptr_t) 'A');
t30_set_local_nsf(&fax_state_a.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_a.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_a.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.logging, "FAX-A ");
span_log_set_level(&fax_state_a.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_a.t30_state.logging, "FAX-A ");
memset(t30_amp_a, 0, sizeof(t30_amp_a));
if (t38_gateway_init(&t38_state_a, tx_packet_handler_a, &t38_state_b) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_a, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_a, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_a, FALSE);
t38_set_t38_version(&t38_state_a.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_a, use_ecm);
span_log_set_level(&t38_state_a.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.logging, "T.38-A");
span_log_set_level(&t38_state_a.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_a.t38.logging, "T.38-A");
memset(t38_amp_a, 0, sizeof(t38_amp_a));
if (t38_gateway_init(&t38_state_b, tx_packet_handler_b, &t38_state_a) == NULL)
{
fprintf(stderr, "Cannot start the T.38 channel\n");
exit(2);
}
t38_gateway_set_transmit_on_idle(&t38_state_b, use_transmit_on_idle);
//t38_gateway_set_supported_modems(&t38_state_b, T30_SUPPORT_V27TER | T30_SUPPORT_V29);
//t38_gateway_set_nsx_suppression(&t38_state_b, FALSE);
t38_set_t38_version(&t38_state_b.t38, t38_version);
t38_gateway_set_ecm_capability(&t38_state_b, use_ecm);
span_log_set_level(&t38_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.logging, "T.38-B");
span_log_set_level(&t38_state_b.t38.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&t38_state_b.t38.logging, "T.38-B");
memset(t38_amp_b, 0, sizeof(t38_amp_b));
if (fax_init(&fax_state_b, FALSE) == NULL)
{
fprintf(stderr, "Cannot start FAX\n");
exit(2);
}
fax_set_transmit_on_idle(&fax_state_b, use_transmit_on_idle);
fax_set_tep_mode(&fax_state_b, use_tep);
t30_set_local_ident(&fax_state_b.t30_state, "22222222");
t30_set_rx_file(&fax_state_b.t30_state, OUTPUT_FILE_NAME, -1);
t30_set_phase_b_handler(&fax_state_b.t30_state, phase_b_handler, (void *) (intptr_t) 'B');
t30_set_phase_d_handler(&fax_state_b.t30_state, phase_d_handler, (void *) (intptr_t) 'B');
t30_set_phase_e_handler(&fax_state_b.t30_state, phase_e_handler, (void *) (intptr_t) 'B');
t30_set_local_nsf(&fax_state_b.t30_state, (const uint8_t *) "\x50\x00\x00\x00Spandsp\x00", 12);
t30_set_ecm_capability(&fax_state_b.t30_state, use_ecm);
if (use_ecm)
t30_set_supported_compressions(&fax_state_b.t30_state, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
span_log_set_level(&fax_state_b.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.logging, "FAX-B ");
span_log_set_level(&fax_state_b.t30_state.logging, SPAN_LOG_DEBUG | SPAN_LOG_SHOW_TAG | SPAN_LOG_SHOW_SAMPLE_TIME);
span_log_set_tag(&fax_state_b.t30_state.logging, "FAX-B ");
memset(t30_amp_b, 0, sizeof(t30_amp_b));
#if defined(ENABLE_GUI)
if (use_gui)
start_media_monitor();
#endif
for (;;)
{
span_log_bump_samples(&fax_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_a.t30_state.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_a.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&t38_state_b.t38.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.logging, SAMPLES_PER_CHUNK);
span_log_bump_samples(&fax_state_b.t30_state.logging, SAMPLES_PER_CHUNK);
memset(out_amp, 0, sizeof(out_amp));
t30_len_a = fax_tx(&fax_state_a, t30_amp_a, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_a < SAMPLES_PER_CHUNK)
{
memset(t30_amp_a + t30_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_a));
t30_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_a; i++)
out_amp[i*4] = t30_amp_a[i];
}
if (t38_gateway_rx(&t38_state_a, t30_amp_a, t30_len_a))
break;
t38_len_a = t38_gateway_tx(&t38_state_a, t38_amp_a, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_a < SAMPLES_PER_CHUNK)
{
memset(t38_amp_a + t38_len_a, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_a));
t38_len_a = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_a; i++)
out_amp[i*4 + 1] = t38_amp_a[i];
}
if (fax_rx(&fax_state_a, t38_amp_a, SAMPLES_PER_CHUNK))
break;
t30_len_b = fax_tx(&fax_state_b, t30_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
/* The receive side always expects a full block of samples, but the
transmit side may not be sending any when it doesn't need to. We
may need to pad with some silence. */
if (t30_len_b < SAMPLES_PER_CHUNK)
{
memset(t30_amp_b + t30_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t30_len_b));
t30_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t30_len_b; i++)
out_amp[i*4 + 3] = t30_amp_b[i];
}
if (t38_gateway_rx(&t38_state_b, t30_amp_b, t30_len_b))
break;
t38_len_b = t38_gateway_tx(&t38_state_b, t38_amp_b, SAMPLES_PER_CHUNK);
if (!use_transmit_on_idle)
{
if (t38_len_b < SAMPLES_PER_CHUNK)
{
memset(t38_amp_b + t38_len_b, 0, sizeof(int16_t)*(SAMPLES_PER_CHUNK - t38_len_b));
t38_len_b = SAMPLES_PER_CHUNK;
}
}
if (log_audio)
{
for (i = 0; i < t38_len_b; i++)
out_amp[i*4 + 2] = t38_amp_b[i];
}
if (fax_rx(&fax_state_b, t38_amp_b, SAMPLES_PER_CHUNK))
break;
when += 0.02;
while ((msg_len = g1050_get(path_a_to_b, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
{
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_rx(seq_no, tx_when, rx_when);
#endif
t38_core_rx_ifp_packet(&t38_state_b.t38, msg, msg_len, seq_no);
}
while ((msg_len = g1050_get(path_b_to_a, msg, 1024, when, &seq_no, &tx_when, &rx_when)) >= 0)
{
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_rx(seq_no, tx_when, rx_when);
#endif
t38_core_rx_ifp_packet(&t38_state_a.t38, msg, msg_len, seq_no);
}
if (log_audio)
{
outframes = afWriteFrames(wave_handle, AF_DEFAULT_TRACK, out_amp, SAMPLES_PER_CHUNK);
if (outframes != SAMPLES_PER_CHUNK)
break;
}
if (done[0] && done[1])
break;
#if defined(ENABLE_GUI)
if (use_gui)
media_monitor_update_display();
#endif
}
if (log_audio)
{
if (afCloseFile(wave_handle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME_WAVE);
exit(2);
}
afFreeFileSetup(filesetup);
}
if (!succeeded[0] || !succeeded[1])
{
printf("Tests failed\n");
exit(2);
}
printf("Tests passed\n");
return 0;
}
TEST(Seek, Seek)
{
std::string testFileName;
ASSERT_TRUE(createTemporaryFile("Seek", &testFileName));
const int kFrameCount = 2000;
const int kPadFrameCount = kFrameCount + 5;
const int kDataLength = kFrameCount * sizeof (int16_t);
int16_t data[kFrameCount];
int16_t readData[kPadFrameCount];
AFfilesetup setup = afNewFileSetup();
ASSERT_TRUE(setup);
afInitFileFormat(setup, AF_FILE_AIFF);
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
AFfilehandle file = afOpenFile(testFileName.c_str(), "w", setup);
ASSERT_TRUE(file) << "could not open file for writing";
afFreeFileSetup(setup);
/* Initialize data to a nontrivial test pattern. */
for (int i=0; i<kFrameCount; i++)
{
if ((i%2) != 0)
data[i] = i;
else
data[i] = -i;
}
ASSERT_EQ(afWriteFrames(file, AF_DEFAULT_TRACK, data, kFrameCount),
kFrameCount);
afCloseFile(file);
file = afOpenFile(testFileName.c_str(), "r", AF_NULL_FILESETUP);
ASSERT_TRUE(file) << "Could not open file for reading";
/*
For each position in the file, seek to that position and
read to the end of the file, checking that the data read
matches the data written.
*/
for (int i=0; i<kFrameCount; i++)
{
memset(readData, 0, kDataLength);
AFfileoffset currentposition = afSeekFrame(file, AF_DEFAULT_TRACK, i);
ASSERT_EQ(currentposition, i) << "Incorrect seek position";
AFframecount framesread = afReadFrames(file, AF_DEFAULT_TRACK,
readData + i, kPadFrameCount);
ASSERT_EQ(framesread, kFrameCount - i) <<
"Incorrect number of frames read";
ASSERT_TRUE(!memcmp(data + i, readData + i,
framesread * sizeof (int16_t))) <<
"Error in data read";
}
afCloseFile(file);
ASSERT_EQ(::unlink(testFileName.c_str()), 0);
}
int main (int argc, char **argv)
{
int i = 1;
char *infilename, *outfilename;
int fileFormat, outFileFormat = AF_FILE_UNKNOWN;
AFfilehandle infile, outfile;
AFfilesetup outfilesetup;
int sampleFormat, sampleWidth, channelCount;
double sampleRate;
int outSampleFormat = -1, outSampleWidth = -1,
outChannelCount = -1;
double outMaxAmp = 1.0;
AFframecount totalFrames;
if (argc == 2)
{
if (!strcmp(argv[1], "--version") || !strcmp(argv[1], "-v"))
{
printversion();
exit(EXIT_SUCCESS);
}
if (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h"))
{
printusage();
exit(EXIT_SUCCESS);
}
}
if (argc < 3)
usageerror();
infilename = argv[1];
outfilename = argv[2];
i = 3;
while (i < argc)
{
if (!strcmp(argv[i], "format"))
{
if (i + 1 >= argc)
usageerror();
if (!strcmp(argv[i+1], "aiff"))
outFileFormat = AF_FILE_AIFF;
else if (!strcmp(argv[i+1], "aifc"))
outFileFormat = AF_FILE_AIFFC;
else if (!strcmp(argv[i+1], "wave"))
outFileFormat = AF_FILE_WAVE;
else if (!strcmp(argv[i+1], "next"))
outFileFormat = AF_FILE_NEXTSND;
else if (!strcmp(argv[i+1], "bics"))
outFileFormat = AF_FILE_BICSF;
else if (!strcmp(argv[i+1], "voc"))
outFileFormat = AF_FILE_VOC;
else if (!strcmp(argv[i+1], "nist"))
outFileFormat = AF_FILE_NIST_SPHERE;
else if (!strcmp(argv[i+1], "caf"))
outFileFormat = AF_FILE_CAF;
else
{
fprintf(stderr, "sfconvert: Unknown format %s.\n", argv[i+1]);
exit(EXIT_FAILURE);
}
/* Increment for argument. */
i++;
}
else if (!strcmp(argv[i], "channels"))
{
if (i + 1 >= argc)
usageerror();
outChannelCount = atoi(argv[i+1]);
if (outChannelCount < 1)
usageerror();
/* Increment for argument. */
i++;
}
else if (!strcmp(argv[i], "float"))
{
if (i + 1 >= argc)
usageerror();
outSampleFormat = AF_SAMPFMT_FLOAT;
outSampleWidth = 32;
outMaxAmp = atof(argv[i+1]);
/* Increment for argument. */
i++;
}
else if (!strcmp(argv[i], "integer"))
{
if (i + 2 >= argc)
usageerror();
outSampleWidth = atoi(argv[i+1]);
if (outSampleWidth < 1 || outSampleWidth > 32)
usageerror();
if (!strcmp(argv[i+2], "2scomp"))
outSampleFormat = AF_SAMPFMT_TWOSCOMP;
else if (!strcmp(argv[i+2], "unsigned"))
outSampleFormat = AF_SAMPFMT_UNSIGNED;
else
usageerror();
/* Increment for arguments. */
i += 2;
}
else
{
printf("Unrecognized command %s\n", argv[i]);
}
i++;
}
infile = afOpenFile(infilename, "r", AF_NULL_FILESETUP);
if (infile == AF_NULL_FILEHANDLE)
{
printf("Could not open file '%s' for reading.\n", infilename);
return 1;
}
/* Get audio format parameters from input file. */
fileFormat = afGetFileFormat(infile, NULL);
totalFrames = afGetFrameCount(infile, AF_DEFAULT_TRACK);
channelCount = afGetChannels(infile, AF_DEFAULT_TRACK);
sampleRate = afGetRate(infile, AF_DEFAULT_TRACK);
afGetSampleFormat(infile, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
/* Initialize output audio format parameters. */
outfilesetup = afNewFileSetup();
if (outFileFormat == -1)
outFileFormat = fileFormat;
if (outSampleFormat == -1 || outSampleWidth == -1)
{
outSampleFormat = sampleFormat;
outSampleWidth = sampleWidth;
}
if (outChannelCount == -1)
outChannelCount = channelCount;
afInitFileFormat(outfilesetup, outFileFormat);
afInitSampleFormat(outfilesetup, AF_DEFAULT_TRACK, outSampleFormat,
outSampleWidth);
afInitChannels(outfilesetup, AF_DEFAULT_TRACK, outChannelCount);
afInitRate(outfilesetup, AF_DEFAULT_TRACK, sampleRate);
outfile = afOpenFile(outfilename, "w", outfilesetup);
if (outfile == AF_NULL_FILEHANDLE)
{
printf("Could not open file '%s' for writing.\n", outfilename);
return 1;
}
/*
Set the output file's virtual audio format parameters
to match the audio format parameters of the input file.
*/
afSetVirtualChannels(outfile, AF_DEFAULT_TRACK, channelCount);
afSetVirtualSampleFormat(outfile, AF_DEFAULT_TRACK, sampleFormat,
sampleWidth);
afFreeFileSetup(outfilesetup);
copyaudiodata(infile, outfile, AF_DEFAULT_TRACK, totalFrames);
afCloseFile(infile);
afCloseFile(outfile);
printfileinfo(infilename);
putchar('\n');
printfileinfo(outfilename);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
AFfilehandle inhandle;
AFfilehandle outhandle;
AFfilesetup filesetup;
plc_state_t plc;
int inframes;
int outframes;
int16_t amp[1024];
int block_no;
int lost_blocks;
int block_len;
int loss_rate;
int dropit;
int block_real;
int block_synthetic;
int tone;
int i;
uint32_t phase_acc;
int32_t phase_rate;
loss_rate = 25;
block_len = 160;
block_real = FALSE;
block_synthetic = FALSE;
tone = -1;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i], "-l") == 0)
{
loss_rate = atoi(argv[++i]);
continue;
}
if (strcmp(argv[i], "-b") == 0)
{
block_len = atoi(argv[++i]);
continue;
}
if (strcmp(argv[i], "-t") == 0)
{
tone = atoi(argv[++i]);
continue;
}
if (strcmp(argv[i], "-r") == 0)
block_real = TRUE;
if (strcmp(argv[i], "-s") == 0)
block_synthetic = TRUE;
}
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
phase_rate = 0;
inhandle = NULL;
if (tone < 0)
{
if ((inhandle = afOpenFile(INPUT_FILE_NAME, "r", NULL)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open wave file '%s'\n", INPUT_FILE_NAME);
exit(2);
}
}
else
{
phase_rate = dds_phase_ratef((float) tone);
}
if ((outhandle = afOpenFile(OUTPUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Failed to open wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
plc_init(&plc);
lost_blocks = 0;
for (block_no = 0; ; block_no++)
{
if (tone < 0)
{
inframes = afReadFrames(inhandle,
AF_DEFAULT_TRACK,
amp,
block_len);
if (inframes != block_len)
break;
}
else
{
if (block_no > 10000)
break;
for (i = 0; i < block_len; i++)
amp[i] = (int16_t) dds_modf(&phase_acc, phase_rate, 10000.0, 0);
inframes = block_len;
}
dropit = rand()/(RAND_MAX/100);
if (dropit > loss_rate)
{
plc_rx(&plc, amp, inframes);
if (block_real)
memset(amp, 0, sizeof(int16_t)*inframes);
}
else
{
lost_blocks++;
plc_fillin(&plc, amp, inframes);
if (block_synthetic)
memset(amp, 0, sizeof(int16_t)*inframes);
}
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
inframes);
if (outframes != inframes)
{
fprintf(stderr, " Error writing out sound\n");
exit(2);
}
}
printf("Dropped %d of %d blocks\n", lost_blocks, block_no);
if (tone < 0)
{
if (afCloseFile(inhandle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", INPUT_FILE_NAME);
exit(2);
}
}
if (afCloseFile(outhandle) != 0)
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUTPUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
return 0;
}
int main (int argc, char *argv[])
{
int i;
int j;
int level;
int clip_high;
int clip_low;
int total_samples;
int seed = 1234567;
int outframes;
int16_t value;
double total;
double x;
double p;
double o;
int bins[65536];
int16_t amp[1024];
noise_state_t noise_source;
AFfilehandle outhandle;
AFfilesetup filesetup;
if ((filesetup = afNewFileSetup()) == AF_NULL_FILESETUP)
{
fprintf(stderr, " Failed to create file setup\n");
exit(2);
}
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
afInitFileFormat(filesetup, AF_FILE_WAVE);
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
if ((outhandle = afOpenFile(OUT_FILE_NAME, "w", filesetup)) == AF_NULL_FILEHANDLE)
{
fprintf(stderr, " Cannot create wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
/* Generate AWGN at several RMS levels between -50dBOv and 0dBOv. Noise is
generated for a large number of samples (1,000,000), and the RMS value
of the noise is calculated along the way. If the resulting level is
close to the requested RMS level, at least the scaling of the noise
should be Ok. At high levels some clipping may distort the result a
little. */
printf("Testing with quality 7 AWGN\n");
for (level = -50; level <= 0; level += 5)
{
clip_high = 0;
clip_low = 0;
total = 0.0;
noise_init_dbov(&noise_source, seed, (float) level, NOISE_CLASS_AWGN, 7);
total_samples = 1000000;
for (i = 0; i < total_samples; i++)
{
value = noise(&noise_source);
if (value == 32767)
clip_high++;
else if (value == -32768)
clip_low++;
total += ((double) value)*((double) value);
}
printf ("RMS = %.3f (expected %d) %.2f%% error [clipped samples %d+%d]\n",
log10(sqrt(total/total_samples)/32768.0)*20.0,
level,
100.0*(1.0 - sqrt(total/total_samples)/(pow(10.0, level/20.0)*32768.0)),
clip_low,
clip_high);
if (level < -5 && fabs(log10(sqrt(total/total_samples)/32768.0)*20.0 - level) > 0.2)
{
printf("Test failed\n");
exit(2);
}
}
printf("Testing with quality 20 AWGN\n");
for (level = -50; level <= 0; level += 5)
{
clip_high = 0;
clip_low = 0;
total = 0.0;
noise_init_dbov(&noise_source, seed, (float) level, NOISE_CLASS_AWGN, 20);
total_samples = 1000000;
for (i = 0; i < total_samples; i++)
{
value = noise(&noise_source);
if (value == 32767)
clip_high++;
else if (value == -32768)
clip_low++;
total += ((double) value)*((double) value);
}
printf ("RMS = %.3f (expected %d) %.2f%% error [clipped samples %d+%d]\n",
log10(sqrt(total/total_samples)/32768.0)*20.0,
level,
100.0*(1.0 - sqrt(total/total_samples)/(pow(10.0, level/20.0)*32768.0)),
clip_low,
clip_high);
if (level < -5 && fabs(log10(sqrt(total/total_samples)/32768.0)*20.0 - level) > 0.2)
{
printf("Test failed\n");
exit(2);
}
}
/* Now look at the statistical spread of the results, by collecting data in
bins from a large number of samples. Use a fairly high noise level, but
low enough to avoid significant clipping. Use the Gaussian model to
predict the real probability, and present the results for graphing. */
memset(bins, 0, sizeof(bins));
clip_high = 0;
clip_low = 0;
level = -15;
noise_init_dbov(&noise_source, seed, (float) level, NOISE_CLASS_AWGN, 7);
total_samples = 10000000;
for (i = 0; i < total_samples; i++)
{
value = noise(&noise_source);
if (value == 32767)
clip_high++;
else if (value == -32768)
clip_low++;
bins[value + 32768]++;
}
/* Find the RMS power level to expect */
o = pow(10.0, level/20.0)*(32768.0*0.70711);
for (i = 0; i < 65536 - 10; i++)
{
x = i - 32768;
/* Find the real probability for this bin */
p = (1.0/(o*sqrt(2.0*M_PI)))*exp(-(x*x)/(2.0*o*o));
/* Now do a little smoothing on the real data to get a reasonably
steady answer */
x = 0;
for (j = 0; j < 10; j++)
x += bins[i + j];
x /= 10.0;
x /= total_samples;
/* Now send it out for graphing. */
if (p > 0.0000001)
printf("%6d %.7f %.7f\n", i - 32768, x, p);
}
printf("Generating AWGN at -15dBOv to file\n");
for (j = 0; j < 50; j++)
{
for (i = 0; i < 1024; i++)
amp[i] = noise(&noise_source);
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
1024);
if (outframes != 1024)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
/* Generate AWGN at several RMS levels between -50dBm and 0dBm. Noise is
generated for a large number of samples (1,000,000), and the RMS value
of the noise is calculated along the way. If the resulting level is
close to the requested RMS level, at least the scaling of the noise
should be Ok. At high levels some clipping may distort the result a
little. */
printf("Testing with quality 7 Hoth noise.\n");
for (level = -50; level <= 0; level += 5)
{
clip_high = 0;
clip_low = 0;
total = 0.0;
noise_init_dbov(&noise_source, seed, (float) level, NOISE_CLASS_HOTH, 7);
total_samples = 1000000;
for (i = 0; i < total_samples; i++)
{
value = noise(&noise_source);
if (value == 32767)
clip_high++;
else if (value == -32768)
clip_low++;
total += ((double) value)*((double) value);
}
printf ("RMS = %.3f (expected %d) %.2f%% error [clipped samples %d+%d]\n",
log10(sqrt(total/total_samples)/32768.0)*20.0,
level,
100.0*(1.0 - sqrt(total/total_samples)/(pow(10.0, level/20.0)*32768.0)),
clip_low,
clip_high);
if (level < -5 && fabs(log10(sqrt(total/total_samples)/32768.0)*20.0 - level) > 0.2)
{
printf("Test failed\n");
exit(2);
}
}
printf("Generating Hoth noise at -15dBOv to file\n");
level = -15;
noise_init_dbov(&noise_source, seed, (float) level, NOISE_CLASS_HOTH, 7);
for (j = 0; j < 50; j++)
{
for (i = 0; i < 1024; i++)
amp[i] = noise(&noise_source);
outframes = afWriteFrames(outhandle,
AF_DEFAULT_TRACK,
amp,
1024);
if (outframes != 1024)
{
fprintf(stderr, " Error writing wave file\n");
exit(2);
}
}
if (afCloseFile(outhandle))
{
fprintf(stderr, " Cannot close wave file '%s'\n", OUT_FILE_NAME);
exit(2);
}
afFreeFileSetup(filesetup);
printf("Tests passed.\n");
return 0;
}
int main (int argc, char **argv)
{
AFfilehandle file;
AFfilesetup setup;
int8_t samples[] = {11, 51, 101, -101, -54, 120, -15, 99};
int i;
int sampleFormat, sampleWidth;
int framesRead, framesWritten;
setup = afNewFileSetup();
afInitFileFormat(setup, AF_FILE_IFF_8SVX);
afInitChannels(setup, AF_DEFAULT_TRACK, 1);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 8);
file = afOpenFile(TEST_FILE, "w", setup);
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for writing");
framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples, 7);
ensure(framesWritten == 7,
"number of frames written does not match number of frames requested");
ensure(afCloseFile(file) == 0, "error closing file");
afFreeFileSetup(setup);
file = afOpenFile(TEST_FILE, "r", NULL);
ensure(file != AF_NULL_FILEHANDLE, "unable to open file for reading");
ensure(afGetFileFormat(file, NULL) == AF_FILE_IFF_8SVX,
"test file not created as IFF/8SVX");
afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
ensure(sampleFormat == AF_SAMPFMT_TWOSCOMP,
"test file not two's complement");
ensure(sampleWidth == 8,
"test file sample format is not 8-bit");
ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 1,
"test file doesn't have exactly one channel");
ensure(afGetByteOrder(file, AF_DEFAULT_TRACK) == AF_BYTEORDER_BIGENDIAN,
"test file not big-endian");
for (i=0; i<7; i++)
{
int8_t temporary;
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, &temporary, 1);
ensure(framesRead == 1,
"number of frames read does not match number of frames requested");
ensure(temporary == samples[i],
"data written to file doesn't match data read from file");
}
ensure(afCloseFile(file) == 0, "error closing file");
cleanup();
printf("writeiff test passed.\n");
exit(0);
}
void runTestWithChannels(int fileFormat, int channelCount)
{
std::string testFileName;
ASSERT_TRUE(createTemporaryFile("PCMData", &testFileName));
const int numFrames = 20;
const int numSamples = numFrames * channelCount;
T samples[numSamples];
for (int i=0; i<numFrames; i++)
for (int c=0; c<channelCount; c++)
samples[i*channelCount + c] = static_cast<T>(i*i + 3*c + 1);
AFfilesetup setup = afNewFileSetup();
afInitFileFormat(setup, fileFormat);
afInitChannels(setup, AF_DEFAULT_TRACK, channelCount);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, kSampleFormat, kBitsPerSample);
AFfilehandle file = afOpenFile(testFileName.c_str(), "w", setup);
ASSERT_TRUE(file) << "Could not open file for writing";
afFreeFileSetup(setup);
PCMMapping mapping, defaultMapping;
getDefaultPCMMapping(kSampleFormat, kBitsPerSample, defaultMapping);
afGetPCMMapping(file, AF_DEFAULT_TRACK,
&mapping.slope, &mapping.intercept, &mapping.minClip, &mapping.maxClip);
ASSERT_EQ(mapping.slope, defaultMapping.slope);
ASSERT_EQ(mapping.intercept, defaultMapping.intercept);
ASSERT_EQ(mapping.minClip, defaultMapping.minClip);
ASSERT_EQ(mapping.maxClip, defaultMapping.maxClip);
afGetVirtualPCMMapping(file, AF_DEFAULT_TRACK,
&mapping.slope, &mapping.intercept, &mapping.minClip, &mapping.maxClip);
ASSERT_EQ(mapping.slope, defaultMapping.slope);
ASSERT_EQ(mapping.intercept, defaultMapping.intercept);
ASSERT_EQ(mapping.minClip, defaultMapping.minClip);
ASSERT_EQ(mapping.maxClip, defaultMapping.maxClip);
ASSERT_EQ(afWriteFrames(file, AF_DEFAULT_TRACK, samples, numFrames),
numFrames) <<
"Number of frames written does not match number of frames requested";
ASSERT_EQ(afCloseFile(file), 0) << "Error closing file";
file = afOpenFile(testFileName.c_str(), "r", NULL);
ASSERT_TRUE(file) << "Could not open file for reading";
ASSERT_EQ(afGetFileFormat(file, NULL), fileFormat) <<
"Incorrect file format";
int sampleFormat, sampleWidth;
afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
ASSERT_EQ(sampleFormat, kSampleFormat) << "Incorrect sample format";
ASSERT_EQ(sampleWidth, kBitsPerSample) << "Incorrect sample width";
ASSERT_EQ(afGetChannels(file, AF_DEFAULT_TRACK), channelCount) <<
"Incorrect number of channels";
afGetPCMMapping(file, AF_DEFAULT_TRACK,
&mapping.slope, &mapping.intercept, &mapping.minClip, &mapping.maxClip);
ASSERT_EQ(mapping.slope, defaultMapping.slope);
ASSERT_EQ(mapping.intercept, defaultMapping.intercept);
ASSERT_EQ(mapping.minClip, defaultMapping.minClip);
ASSERT_EQ(mapping.maxClip, defaultMapping.maxClip);
afGetVirtualPCMMapping(file, AF_DEFAULT_TRACK,
&mapping.slope, &mapping.intercept, &mapping.minClip, &mapping.maxClip);
ASSERT_EQ(mapping.slope, defaultMapping.slope);
ASSERT_EQ(mapping.intercept, defaultMapping.intercept);
ASSERT_EQ(mapping.minClip, defaultMapping.minClip);
ASSERT_EQ(mapping.maxClip, defaultMapping.maxClip);
T *samplesRead = new T[numSamples];
ASSERT_EQ(afReadFrames(file, AF_DEFAULT_TRACK, samplesRead, numFrames),
numFrames) <<
"Number of frames read does not match number of frames requested";
for (int i=0; i<numSamples; i++)
ASSERT_EQ(samplesRead[i], samples[i]) <<
"Data read from file does not match data written";
delete [] samplesRead;
ASSERT_EQ(afCloseFile(file), 0) << "Error closing file";
ASSERT_EQ(::unlink(testFileName.c_str()), 0);
}