codec_munge_state_t *codec_munge_init(int codec)
{
codec_munge_state_t *s;
if ((s = (codec_munge_state_t *) malloc(sizeof(*s))))
{
switch (codec)
{
case MUNGE_CODEC_G726_40K:
g726_init(&s->g726_enc_state, 40000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 40000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_32K:
g726_init(&s->g726_enc_state, 32000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 32000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_24K:
g726_init(&s->g726_enc_state, 24000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 24000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_16K:
g726_init(&s->g726_enc_state, 16000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 16000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
default:
s->munging_codec = codec;
break;
}
}
return s;
}
static int decode_update(struct audec_state **adsp,
const struct aucodec *ac, const char *fmtp)
{
struct g726_aucodec *gac = (struct g726_aucodec *)ac;
struct audec_state *st;
int err = 0;
(void)fmtp;
if (!adsp || !ac)
return EINVAL;
if (*adsp)
return 0;
st = mem_zalloc(sizeof(*st), decode_destructor);
if (!st)
return ENOMEM;
if (!g726_init(&st->st, gac->bitrate, G726_ENCODING_LINEAR,
G726_PACKING_LEFT)) {
err = ENOMEM;
goto out;
}
out:
if (err)
mem_deref(st);
else
*adsp = st;
return err;
}
int Hi3511AudioDecOpen(int nChannel, int encType)
{
HI_S32 s32ret;
AIO_ATTR_S stAttr;
ADEC_CHN_ATTR_S stAdecAttr;
ADEC_ATTR_ADPCM_S stAdpcm;
AENC_ATTR_G726_S stG726;
if (nChannel<0 || nChannel>=MAX_ADEC_CHANNEL)
{
return -1;
}
#if 0//G726
stAdecAttr.enType = PT_G726;
stAdecAttr.u32BufSize = 8;
stAdecAttr.u32BufSize = 10; ////mody by lv add------------
stAdecAttr.enMode = ADEC_MODE_PACK;
stAdecAttr.pValue = &stG726;
stG726.enG726bps = G726_16K;
s32ret = HI_MPI_ADEC_CreateChn(0, &stAdecAttr);
if (s32ret)
{
printf("create adnc chn %d err:0x%x\n", 0, s32ret);
return -1;
}
//mody by lv start add------------
#if 1
g_State726_32 = (g726_state_t *)malloc(sizeof(g726_state_t));
g_State726_32 = g726_init(g_State726_32, 8000*4);
g_pDecFile = fopen("/mnt/mtd/dvs/mobile/tmpfs/g726.dec", "w+");
if(!g_pDecFile){
printf("fopen error\n");
}
#endif
//mody by lv end add------------
#endif
g_adec_chn_flag[nChannel] = 1;
return 0;
}
CODEC_API void *PLG_INIT_V1_2(g726_24)(const char* fmtp, int isDecoder,
struct MppCodecFmtpInfoV1_2* pCodecInfo)
{
if (pCodecInfo == NULL)
{
return NULL;
}
pCodecInfo->signalingCodec = FALSE;
pCodecInfo->minBitrate = 24000;
pCodecInfo->maxBitrate = 24000;
pCodecInfo->numSamplesPerFrame = 8;
pCodecInfo->minFrameBytes = 3;
pCodecInfo->maxFrameBytes = 3;
pCodecInfo->packetLossConcealment = CODEC_PLC_NONE;
pCodecInfo->vadCng = CODEC_CNG_NONE;
pCodecInfo->algorithmicDelay = 0;
return g726_init(NULL, 24000, G726_ENCODING_LINEAR, G726_PACKING_LEFT);
}
int G726ToPcm::Init(InAudioInfo info)
{
m_g7FrameSize = G711_ONE_LEN;
m_state726 = (g726_state_t *)malloc(sizeof(g726_state_t));
int rateBits = info.G726RateBits();
switch (rateBits)
{
default:
case Rate16kBits:
{
m_bitRate = 8000*2;
m_pcmSize = (2*m_g7FrameSize*120+30)/30;
}
break;
case Rate24kBits:
{
m_bitRate = 8000*3;
m_pcmSize = (2*m_g7FrameSize*80+30)/30;
}
break;
case Rate32kBits:
{
m_bitRate = 8000*4;
m_pcmSize = (2*m_g7FrameSize*60+30)/30;
}
break;
case Rate40kBits:
{
m_bitRate = 8000*5;
m_pcmSize = (2*m_g7FrameSize*48+30)/30;
}
break;
}
m_state726 = g726_init(m_state726, m_bitRate );
return 0;
}
SPAN_DECLARE(codec_munge_state_t *) codec_munge_init(int codec, int info)
{
codec_munge_state_t *s;
if ((s = (codec_munge_state_t *) malloc(sizeof(*s))))
{
switch (codec)
{
case MUNGE_CODEC_G726_40K:
g726_init(&s->g726_enc_state, 40000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 40000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_32K:
g726_init(&s->g726_enc_state, 32000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 32000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_24K:
g726_init(&s->g726_enc_state, 24000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 24000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
case MUNGE_CODEC_G726_16K:
g726_init(&s->g726_enc_state, 16000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
g726_init(&s->g726_dec_state, 16000, G726_ENCODING_LINEAR, G726_PACKING_NONE);
s->munging_codec = MUNGE_CODEC_G726_32K;
break;
default:
s->munging_codec = codec;
break;
}
s->sequence = 0;
s->rbs_pattern = info;
}
return s;
}
static switch_status_t switch_g726_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
{
uint32_t encoding, decoding;
int packing = G726_PACKING_RIGHT;
g726_state_t *context = NULL;
encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
if (!(encoding || decoding)) {
return SWITCH_STATUS_FALSE;
}
if ((flags & SWITCH_CODEC_FLAG_AAL2 || strstr(codec->implementation->iananame, "AAL2"))) {
packing = G726_PACKING_LEFT;
}
context = g726_init(context, codec->implementation->bits_per_second, G726_ENCODING_LINEAR, packing);
codec->private_info = context;
return SWITCH_STATUS_SUCCESS;
}
int main(int argc, char *argv[])
{
g726_state_t *enc_state;
g726_state_t *dec_state;
int opt;
int itutests;
int bit_rate;
SNDFILE *inhandle;
SNDFILE *outhandle;
int16_t amp[1024];
int frames;
int adpcm;
int packing;
bit_rate = 32000;
itutests = true;
packing = G726_PACKING_NONE;
while ((opt = getopt(argc, argv, "b:LR")) != -1)
{
switch (opt)
{
case 'b':
bit_rate = atoi(optarg);
if (bit_rate != 16000 && bit_rate != 24000 && bit_rate != 32000 && bit_rate != 40000)
{
fprintf(stderr, "Invalid bit rate selected. Only 16000, 24000, 32000 and 40000 are valid.\n");
exit(2);
}
itutests = false;
break;
case 'L':
packing = G726_PACKING_LEFT;
break;
case 'R':
packing = G726_PACKING_RIGHT;
break;
default:
//usage();
exit(2);
}
}
if (itutests)
{
itu_compliance_tests();
}
else
{
if ((inhandle = sf_open_telephony_read(IN_FILE_NAME, 1)) == NULL)
{
fprintf(stderr, " Cannot open audio file '%s'\n", IN_FILE_NAME);
exit(2);
}
if ((outhandle = sf_open_telephony_write(OUT_FILE_NAME, 1)) == NULL)
{
fprintf(stderr, " Cannot create audio file '%s'\n", OUT_FILE_NAME);
exit(2);
}
printf("ADPCM packing is %d\n", packing);
enc_state = g726_init(NULL, bit_rate, G726_ENCODING_LINEAR, packing);
dec_state = g726_init(NULL, bit_rate, G726_ENCODING_LINEAR, packing);
while ((frames = sf_readf_short(inhandle, amp, 159)))
{
adpcm = g726_encode(enc_state, adpcmdata, amp, frames);
frames = g726_decode(dec_state, amp, adpcmdata, adpcm);
sf_writef_short(outhandle, amp, frames);
}
if (sf_close_telephony(inhandle))
{
printf(" Cannot close audio file '%s'\n", IN_FILE_NAME);
exit(2);
}
if (sf_close_telephony(outhandle))
{
printf(" Cannot close audio file '%s'\n", OUT_FILE_NAME);
exit(2);
}
printf("'%s' transcoded to '%s' at %dbps.\n", IN_FILE_NAME, OUT_FILE_NAME, bit_rate);
g726_free(enc_state);
g726_free(dec_state);
}
return 0;
}
static void itu_compliance_tests(void)
{
g726_state_t enc_state;
g726_state_t dec_state;
int len2;
int len3;
int i;
int test;
int bad_samples;
int conditioning_samples;
int samples;
int conditioning_adpcm;
int adpcm;
len2 = 0;
conditioning_samples = 0;
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);
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");
}
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;
}
