int lame_encode_finish(lame_global_flags *gfp,char *mp3buffer, int mp3buffer_size)
{
int imp3,mp3count,mp3buffer_size_remaining;
short int buffer[2][1152];
memset((char *)buffer,0,sizeof(buffer));
mp3count = 0;
while (mf_samples_to_encode > 0) {
mp3buffer_size_remaining = mp3buffer_size - mp3count;
/* if user specifed buffer size = 0, dont check size */
if (mp3buffer_size == 0) mp3buffer_size_remaining=0;
imp3=lame_encode(gfp,buffer,mp3buffer,mp3buffer_size_remaining);
if (imp3 == -1) {
/* fatel error: mp3buffer too small */
desalloc_buffer(&bs); /* Deallocate all buffers */
return -1;
}
mp3buffer += imp3;
mp3count += imp3;
mf_samples_to_encode -= gfp->framesize;
}
gfp->frameNum--;
if (!gfp->gtkflag && !gfp->silent) {
timestatus(gfp->out_samplerate,gfp->frameNum,gfp->totalframes,gfp->framesize);
#ifdef BRHIST
if (disp_brhist)
{
brhist_add_count();
brhist_disp();
brhist_disp_total(gfp);
}
#endif
fprintf(stderr,"\n");
fflush(stderr);
}
III_FlushBitstream();
mp3buffer_size_remaining = mp3buffer_size - mp3count;
/* if user specifed buffer size = 0, dont check size */
if (mp3buffer_size == 0) mp3buffer_size_remaining=0;
imp3= copy_buffer(mp3buffer,mp3buffer_size_remaining,&bs);
if (imp3 == -1) {
/* fatel error: mp3buffer too small */
desalloc_buffer(&bs); /* Deallocate all buffers */
return -1;
}
mp3count += imp3;
desalloc_buffer(&bs); /* Deallocate all buffers */
return mp3count;
}
int
lame_encoder(lame_global_flags * gf, FILE * outf, int nogap, char *inPath,
char *outPath)
{
unsigned char mp3buffer[LAME_MAXMP3BUFFER];
int Buffer[2][1152];
int iread, imp3;
static const char *mode_names[2][4] = {
{"stereo", "j-stereo", "dual-ch", "single-ch"},
{"stereo", "force-ms", "dual-ch", "single-ch"}
};
int frames;
if (silent < 10) {
lame_print_config(gf); /* print useful information about options being used */
fprintf(stderr, "Encoding %s%s to %s\n",
strcmp(inPath, "-") ? inPath : "<stdin>",
strlen(inPath) + strlen(outPath) < 66 ? "" : "\n ",
strcmp(outPath, "-") ? outPath : "<stdout>");
fprintf(stderr,
"Encoding as %g kHz ", 1.e-3 * lame_get_out_samplerate(gf));
{
const char *appendix = "";
switch (lame_get_VBR(gf)) {
case vbr_mt:
case vbr_rh:
case vbr_mtrh:
appendix = "ca. ";
fprintf(stderr, "VBR(q=%i)", lame_get_VBR_q(gf));
break;
case vbr_abr:
fprintf(stderr, "average %d kbps",
lame_get_VBR_mean_bitrate_kbps(gf));
break;
default:
fprintf(stderr, "%3d kbps", lame_get_brate(gf));
break;
}
fprintf(stderr, " %s MPEG-%u%s Layer III (%s%gx) qval=%i\n",
mode_names[lame_get_force_ms(gf)][lame_get_mode(gf)],
2 - lame_get_version(gf),
lame_get_out_samplerate(gf) < 16000 ? ".5" : "",
appendix,
0.1 * (int) (10. * lame_get_compression_ratio(gf) + 0.5),
lame_get_quality(gf));
}
if (silent <= -10)
lame_print_internals(gf);
fflush(stderr);
}
/* encode until we hit eof */
do {
/* read in 'iread' samples */
iread = get_audio(gf, Buffer);
frames = lame_get_frameNum(gf);
/********************** status display *****************************/
if (silent <= 0) {
if (update_interval > 0) {
timestatus_klemm(gf);
}
else {
if (0 == frames % 50) {
#ifdef BRHIST
brhist_jump_back();
#endif
timestatus(lame_get_out_samplerate(gf),
frames,
lame_get_totalframes(gf),
lame_get_framesize(gf));
#ifdef BRHIST
if (brhist)
brhist_disp(gf);
#endif
}
}
}
/* encode */
imp3 = lame_encode_buffer_int(gf, Buffer[0], Buffer[1], iread,
mp3buffer, sizeof(mp3buffer));
/* was our output buffer big enough? */
if (imp3 < 0) {
if (imp3 == -1)
fprintf(stderr, "mp3 buffer is not big enough... \n");
else
fprintf(stderr, "mp3 internal error: error code=%i\n", imp3);
return 1;
}
if (fwrite(mp3buffer, 1, imp3, outf) != imp3) {
fprintf(stderr, "Error writing mp3 output \n");
return 1;
}
} while (iread);
if (nogap)
imp3 = lame_encode_flush_nogap(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */
else
imp3 = lame_encode_flush(gf, mp3buffer, sizeof(mp3buffer)); /* may return one more mp3 frame */
if (imp3 < 0) {
if (imp3 == -1)
fprintf(stderr, "mp3 buffer is not big enough... \n");
else
fprintf(stderr, "mp3 internal error: error code=%i\n", imp3);
return 1;
}
if (silent <= 0) {
#ifdef BRHIST
brhist_jump_back();
#endif
frames = lame_get_frameNum(gf);
timestatus(lame_get_out_samplerate(gf),
frames, lame_get_totalframes(gf), lame_get_framesize(gf));
#ifdef BRHIST
if (brhist) {
brhist_disp(gf);
}
brhist_disp_total(gf);
#endif
timestatus_finish();
}
fwrite(mp3buffer, 1, imp3, outf);
return 0;
}
