static int
lame_decoder(lame_t gfp, FILE * outf, char *inPath, char *outPath)
{
short int Buffer[2][1152];
int i, iread;
double wavsize;
int tmp_num_channels = lame_get_num_channels(gfp);
int skip_start = samples_to_skip_at_start();
int skip_end = samples_to_skip_at_end();
DecoderProgress dp = 0;
if (!(tmp_num_channels >= 1 && tmp_num_channels <= 2)) {
error_printf("Internal error. Aborting.");
exit(-1);
}
if (global_ui_config.silent < 9) {
console_printf("\rinput: %s%s(%g kHz, %i channel%s, ",
strcmp(inPath, "-") ? inPath : "<stdin>",
strlen(inPath) > 26 ? "\n\t" : " ",
lame_get_in_samplerate(gfp) / 1.e3,
tmp_num_channels, tmp_num_channels != 1 ? "s" : "");
printInputFormat(gfp);
console_printf(")\noutput: %s%s(16 bit, Microsoft WAVE)\n",
strcmp(outPath, "-") ? outPath : "<stdout>",
strlen(outPath) > 45 ? "\n\t" : " ");
if (skip_start > 0)
console_printf("skipping initial %i samples (encoder+decoder delay)\n", skip_start);
if (skip_end > 0)
console_printf("skipping final %i samples (encoder padding-decoder delay)\n", skip_end);
switch (global_reader.input_format) {
case sf_mp3:
case sf_mp2:
case sf_mp1:
dp = decoder_progress_init(lame_get_num_samples(gfp),
global_decoder.mp3input_data.framesize);
break;
case sf_raw:
case sf_wave:
case sf_aiff:
default:
dp = decoder_progress_init(lame_get_num_samples(gfp),
lame_get_in_samplerate(gfp) < 32000 ? 576 : 1152);
break;
}
}
if (0 == global_decoder.disable_wav_header)
WriteWaveHeader(outf, 0x7FFFFFFF, lame_get_in_samplerate(gfp), tmp_num_channels, 16);
/* unknown size, so write maximum 32 bit signed value */
wavsize = 0;
do {
iread = get_audio16(gfp, Buffer); /* read in 'iread' samples */
if (iread >= 0) {
wavsize += iread;
if (dp != 0) {
decoder_progress(dp, &global_decoder.mp3input_data, iread);
}
put_audio16(outf, Buffer, iread, tmp_num_channels);
}
} while (iread > 0);
i = (16 / 8) * tmp_num_channels;
assert(i > 0);
if (wavsize <= 0) {
if (global_ui_config.silent < 10)
error_printf("WAVE file contains 0 PCM samples\n");
wavsize = 0;
}
else if (wavsize > 0xFFFFFFD0 / i) {
if (global_ui_config.silent < 10)
error_printf("Very huge WAVE file, can't set filesize accordingly\n");
wavsize = 0xFFFFFFD0;
}
else {
wavsize *= i;
}
/* if outf is seekable, rewind and adjust length */
if (!global_decoder.disable_wav_header && strcmp("-", outPath)
&& !fseek(outf, 0l, SEEK_SET))
WriteWaveHeader(outf, (int) wavsize, lame_get_in_samplerate(gfp), tmp_num_channels, 16);
fclose(outf);
close_infile();
if (dp != 0)
decoder_progress_finish(dp);
return 0;
}
int
lame_decoder(lame_global_flags * gfp, FILE * outf, int skip, char *inPath,
char *outPath)
{
short int Buffer[2][1152];
int iread;
double wavsize;
int i;
void (*WriteFunction) (FILE * fp, char *p, int n);
int tmp_num_channels = lame_get_num_channels( gfp );
if (silent < 10) fprintf(stderr, "\rinput: %s%s(%g kHz, %i channel%s, ",
strcmp(inPath, "-") ? inPath : "<stdin>",
strlen(inPath) > 26 ? "\n\t" : " ",
lame_get_in_samplerate( gfp ) / 1.e3,
tmp_num_channels, tmp_num_channels != 1 ? "s" : "");
switch (input_format) {
case sf_mp3:
if (skip==0) {
if (enc_delay>-1) skip = enc_delay + 528+1;
else skip=lame_get_encoder_delay(gfp)+528+1;
}else{
/* user specified a value of skip. just add for decoder */
skip += 528+1; /* mp3 decoder has a 528 sample delay, plus user supplied "skip" */
}
if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp),
lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "III");
break;
case sf_mp2:
skip += 240 + 1;
if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp),
lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "II");
break;
case sf_mp1:
skip += 240 + 1;
if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp),
lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "I");
break;
case sf_raw:
if (silent < 10) fprintf(stderr, "raw PCM data");
mp3input_data.nsamp = lame_get_num_samples( gfp );
mp3input_data.framesize = 1152;
skip = 0; /* other formats have no delay *//* is += 0 not better ??? */
break;
case sf_wave:
if (silent < 10) fprintf(stderr, "Microsoft WAVE");
mp3input_data.nsamp = lame_get_num_samples( gfp );
mp3input_data.framesize = 1152;
skip = 0; /* other formats have no delay *//* is += 0 not better ??? */
break;
case sf_aiff:
if (silent < 10) fprintf(stderr, "SGI/Apple AIFF");
mp3input_data.nsamp = lame_get_num_samples( gfp );
mp3input_data.framesize = 1152;
skip = 0; /* other formats have no delay *//* is += 0 not better ??? */
break;
default:
if (silent < 10) fprintf(stderr, "unknown");
mp3input_data.nsamp = lame_get_num_samples( gfp );
mp3input_data.framesize = 1152;
skip = 0; /* other formats have no delay *//* is += 0 not better ??? */
assert(0);
break;
}
if (silent < 10) {
fprintf(stderr, ")\noutput: %s%s(16 bit, Microsoft WAVE)\n",
strcmp(outPath, "-") ? outPath : "<stdout>",
strlen(outPath) > 45 ? "\n\t" : " ");
if (skip > 0)
fprintf(stderr,
"skipping initial %i samples (encoder+decoder delay)\n",
skip);
}
if ( 0 == disable_wav_header )
WriteWaveHeader(outf, 0x7FFFFFFF, lame_get_in_samplerate( gfp ),
tmp_num_channels,
16);
/* unknown size, so write maximum 32 bit signed value */
wavsize = -skip;
WriteFunction = swapbytes ? WriteBytesSwapped : WriteBytes;
mp3input_data.totalframes = mp3input_data.nsamp / mp3input_data.framesize;
assert(tmp_num_channels >= 1 && tmp_num_channels <= 2);
do {
iread = get_audio16(gfp, Buffer); /* read in 'iread' samples */
mp3input_data.framenum += iread / mp3input_data.framesize;
wavsize += iread;
if (silent <= 0)
decoder_progress(gfp, &mp3input_data);
skip -= (i = skip < iread ? skip : iread); /* 'i' samples are to skip in this frame */
for (; i < iread; i++) {
if ( disable_wav_header ) {
WriteFunction(outf, (char *) &Buffer[0][i], sizeof(short));
if (tmp_num_channels == 2)
WriteFunction(outf, (char *) &Buffer[1][i], sizeof(short));
}
else {
Write16BitsLowHigh(outf, Buffer[0][i]);
if (tmp_num_channels == 2)
Write16BitsLowHigh(outf, Buffer[1][i]);
}
}
} while (iread);
i = (16 / 8) * tmp_num_channels;
assert(i > 0);
if (wavsize <= 0) {
if (silent < 10) fprintf(stderr, "WAVE file contains 0 PCM samples\n");
wavsize = 0;
}
else if (wavsize > 0xFFFFFFD0 / i) {
if (silent < 10) fprintf(stderr,
"Very huge WAVE file, can't set filesize accordingly\n");
wavsize = 0xFFFFFFD0;
}
else {
wavsize *= i;
}
if ( 0 == disable_wav_header )
if (!fseek(outf, 0l, SEEK_SET)) /* if outf is seekable, rewind and adjust length */
WriteWaveHeader(outf, (int)wavsize, lame_get_in_samplerate( gfp ),
tmp_num_channels, 16);
fclose(outf);
if (silent <= 0)
decoder_progress_finish(gfp);
return 0;
}
