int main(int argc, char **argv)
{
int c;
int option_index = 0;
char *inFile, *outFile;
FILE *fin, *fout=NULL;
short out[MAX_FRAME_SIZE];
short output[MAX_FRAME_SIZE];
int frame_size=0, granule_frame_size=0;
void *st=NULL;
CELTMode *mode=NULL;
int packet_count=0;
int stream_init = 0;
int quiet = 0;
ogg_int64_t page_granule=0, last_granule=0;
int skip_samples=0, page_nb_packets;
struct option long_options[] =
{
{"help", no_argument, NULL, 0},
{"quiet", no_argument, NULL, 0},
{"version", no_argument, NULL, 0},
{"version-short", no_argument, NULL, 0},
{"rate", required_argument, NULL, 0},
{"mono", no_argument, NULL, 0},
{"stereo", no_argument, NULL, 0},
{"packet-loss", required_argument, NULL, 0},
{0, 0, 0, 0}
};
ogg_sync_state oy;
ogg_page og;
ogg_packet op;
ogg_stream_state os;
int enh_enabled;
int nframes=2;
int print_bitrate=0;
int close_in=0;
int eos=0;
int forceMode=-1;
int audio_size=0;
float loss_percent=-1;
int channels=-1;
int rate=0;
int extra_headers=0;
int wav_format=0;
int lookahead=0;
int celt_serialno = -1;
int firstpacket = 1;
enh_enabled = 1;
/*Process options*/
while(1)
{
c = getopt_long (argc, argv, "hvV",
long_options, &option_index);
if (c==-1)
break;
switch(c)
{
case 0:
if (strcmp(long_options[option_index].name,"help")==0)
{
usage();
exit(0);
} else if (strcmp(long_options[option_index].name,"quiet")==0)
{
quiet = 1;
} else if (strcmp(long_options[option_index].name,"version")==0)
{
version();
exit(0);
} else if (strcmp(long_options[option_index].name,"version-short")==0)
{
version_short();
exit(0);
} else if (strcmp(long_options[option_index].name,"mono")==0)
{
channels=1;
} else if (strcmp(long_options[option_index].name,"stereo")==0)
{
channels=2;
} else if (strcmp(long_options[option_index].name,"rate")==0)
{
rate=atoi (optarg);
} else if (strcmp(long_options[option_index].name,"packet-loss")==0)
{
loss_percent = atof(optarg);
}
break;
case 'h':
usage();
exit(0);
break;
case 'v':
version();
exit(0);
break;
case 'V':
print_bitrate=1;
break;
case '?':
usage();
exit(1);
break;
}
}
if (argc-optind!=2 && argc-optind!=1)
{
usage();
exit(1);
}
inFile=argv[optind];
if (argc-optind==2)
outFile=argv[optind+1];
else
outFile = "";
wav_format = strlen(outFile)>=4 && (
strcmp(outFile+strlen(outFile)-4,".wav")==0
|| strcmp(outFile+strlen(outFile)-4,".WAV")==0);
/*Open input file*/
if (strcmp(inFile, "-")==0)
{
#if defined WIN32 || defined _WIN32
_setmode(_fileno(stdin), _O_BINARY);
#endif
fin=stdin;
}
else
{
fin = fopen(inFile, "rb");
if (!fin)
{
perror(inFile);
exit(1);
}
close_in=1;
}
/*Init Ogg data struct*/
ogg_sync_init(&oy);
/*Main decoding loop*/
while (1)
{
char *data;
int i, nb_read;
/*Get the ogg buffer for writing*/
data = ogg_sync_buffer(&oy, 200);
/*Read bitstream from input file*/
nb_read = fread(data, sizeof(char), 200, fin);
ogg_sync_wrote(&oy, nb_read);
/*Loop for all complete pages we got (most likely only one)*/
while (ogg_sync_pageout(&oy, &og)==1)
{
if (stream_init == 0) {
ogg_stream_init(&os, ogg_page_serialno(&og));
stream_init = 1;
}
if (ogg_page_serialno(&og) != os.serialno) {
/* so all streams are read. */
ogg_stream_reset_serialno(&os, ogg_page_serialno(&og));
}
/*Add page to the bitstream*/
ogg_stream_pagein(&os, &og);
page_granule = ogg_page_granulepos(&og);
page_nb_packets = ogg_page_packets(&og);
if (page_granule>0 && frame_size)
{
/* FIXME: shift the granule values if --force-* is specified */
skip_samples = frame_size*(page_nb_packets*granule_frame_size*nframes - (page_granule-last_granule))/granule_frame_size;
if (ogg_page_eos(&og))
skip_samples = -skip_samples;
/*else if (!ogg_page_bos(&og))
skip_samples = 0;*/
} else
{
skip_samples = 0;
}
/*printf ("page granulepos: %d %d %d\n", skip_samples, page_nb_packets, (int)page_granule);*/
last_granule = page_granule;
/*Extract all available packets*/
while (!eos && ogg_stream_packetout(&os, &op) == 1 && op.bytes>=8)
{
if (!memcmp(op.packet, "CELT ", 8)) {
celt_serialno = os.serialno;
}
if (celt_serialno == -1 || os.serialno != celt_serialno)
break;
/*If first packet, process as CELT header*/
if (packet_count==0)
{
st = process_header(&op, enh_enabled, &frame_size, &granule_frame_size, &rate, &nframes, forceMode, &channels, &lookahead, &extra_headers, quiet, &mode);
if (!st)
exit(1);
if (!nframes)
nframes=1;
fout = out_file_open(outFile, rate, &channels);
} else if (packet_count==1)
{
if (!quiet)
print_comments((char*)op.packet, op.bytes);
} else if (packet_count<=1+extra_headers)
{
/* Ignore extra headers */
} else {
int lost=0;
if (loss_percent>0 && 100*((float)rand())/RAND_MAX<loss_percent)
lost=1;
/*End of stream condition*/
if (op.e_o_s && os.serialno == celt_serialno) /* don't care for anything except celt eos */
eos=1;
{
int ret;
/*Decode frame*/
if (!lost)
ret = celt_decode(st, (unsigned char*)op.packet, op.bytes, output);
else
ret = celt_decode(st, NULL, 0, output);
/*for (i=0;i<frame_size*channels;i++)
printf ("%d\n", (int)output[i]);*/
if (ret!=0)
{
fprintf (stderr, "Decoding error: corrupted stream?\n");
break;
}
if (print_bitrate) {
celt_int32 tmp=op.bytes;
char ch=13;
fputc (ch, stderr);
fprintf (stderr, "Bitrate in use: %d bytes/packet ", tmp);
}
/*Convert to short and save to output file*/
if (strlen(outFile)!=0)
{
for (i=0;i<frame_size*channels;i++)
out[i]=le_short(output[i]);
} else {
for (i=0;i<frame_size*channels;i++)
out[i]=output[i];
}
{
int frame_offset = 0;
int new_frame_size = frame_size;
/*printf ("packet %d %d\n", packet_no, skip_samples);*/
/*fprintf (stderr, "packet %d %d %d\n", packet_no, skip_samples, lookahead);*/
if (firstpacket == 1)
{
/*printf ("chopping first packet\n");*/
new_frame_size -= lookahead;
frame_offset = lookahead;
firstpacket = 0;
}
if (new_frame_size>0)
{
#if defined WIN32 || defined _WIN32
if (strlen(outFile)==0)
WIN_Play_Samples (out+frame_offset*channels, sizeof(short) * new_frame_size*channels);
else
#endif
fwrite(out+frame_offset*channels, sizeof(short), new_frame_size*channels, fout);
audio_size+=sizeof(short)*new_frame_size*channels;
}
}
}
}
packet_count++;
}
}
if (feof(fin))
break;
}
if (fout && wav_format)
{
if (fseek(fout,4,SEEK_SET)==0)
{
int tmp;
tmp = le_int(audio_size+36);
fwrite(&tmp,4,1,fout);
if (fseek(fout,32,SEEK_CUR)==0)
{
tmp = le_int(audio_size);
fwrite(&tmp,4,1,fout);
} else
{
fprintf (stderr, "First seek worked, second didn't\n");
}
} else {
fprintf (stderr, "Cannot seek on wave file, size will be incorrect\n");
}
}
if (st)
{
celt_decoder_destroy(st);
celt_mode_destroy(mode);
} else {
fprintf (stderr, "This doesn't look like a CELT file\n");
}
if (stream_init)
ogg_stream_clear(&os);
ogg_sync_clear(&oy);
#if defined WIN32 || defined _WIN32
if (strlen(outFile)==0)
WIN_Audio_close ();
#endif
if (close_in)
fclose(fin);
if (fout != NULL)
fclose(fout);
return 0;
}
int main(int argc, char **argv)
{
// char *outFile;
// FILE *fout;
FILE *fout=NULL;
int channels=1;
int rate=16000;
/*Holds the audio that will be written to file (16 bits per sample)*/
short out[FRAME_SIZE];
/*Speex handle samples as float, so we need an array of floats*/
short output[FRAME_SIZE];
char cbits[1500];
int nbBytes;
/*Holds the state of the decoder*/
void *state;
/*Holds bits so they can be read and written to by the Speex routines*/
SpeexBits bits;
int i, tmp;
fout = out_file_open("", rate, &channels);
/*Create a new decoder state in narrowband mode*/
state = speex_decoder_init(&speex_wb_mode);
/*Set the perceptual enhancement on*/
tmp=1;
speex_decoder_ctl(state, SPEEX_SET_ENH, &tmp);
int frame_size;
speex_decoder_ctl(state, SPEEX_GET_FRAME_SIZE, &frame_size);
// outFile = argv[1];
// fout = fopen(outFile, "w");
/*Initialization of the structure that holds the bits*/
speex_bits_init(&bits);
while (1)
{
/*Read the size encoded by sampleenc, this part will likely be
different in your application*/
fread(&nbBytes, sizeof(int), 1, stdin);
fprintf (stderr, "nbBytes: %d\n", nbBytes);
if (feof(stdin))
break;
/*Read the "packet" encoded by sampleenc*/
fread(cbits, 1, nbBytes, stdin);
/*Copy the data into the bit-stream struct*/
speex_bits_read_from(&bits, cbits, nbBytes);
int nFrames = 1;
while(nFrames<= FRAMES_PER_RTP_PACKET){
/*Decode the data*/
speex_decode_int(state, &bits, output);
// speex_decode(state, &bits, output);
/*Copy from float to short (16 bits) for output*/
// for (i=0;i<frame_size;i++)
// out[i]=output[i];
/*Write the decoded audio to file*/
fwrite(output, sizeof(short), FRAME_SIZE, fout);
fflush(fout);
nFrames++;
}
}
if (fout != NULL)
fclose(fout);
/*Destroy the decoder state*/
speex_decoder_destroy(state);
/*Destroy the bit-stream truct*/
speex_bits_destroy(&bits);
// fclose(fout);
return 0;
}
int main(int argc, char **argv)
{
int c;
int option_index = 0;
char *inFile, *outFile;
FILE *fin, *fout=NULL, *frange=NULL;
float *output;
int frame_size=0;
OpusMSDecoder *st=NULL;
opus_int64 packet_count=0;
int total_links=0;
int stream_init = 0;
int quiet = 0;
ogg_int64_t page_granule=0;
ogg_int64_t link_out=0;
struct option long_options[] =
{
{"help", no_argument, NULL, 0},
{"quiet", no_argument, NULL, 0},
{"version", no_argument, NULL, 0},
{"version-short", no_argument, NULL, 0},
{"rate", required_argument, NULL, 0},
{"gain", required_argument, NULL, 0},
{"no-dither", no_argument, NULL, 0},
{"packet-loss", required_argument, NULL, 0},
{"save-range", required_argument, NULL, 0},
{0, 0, 0, 0}
};
ogg_sync_state oy;
ogg_page og;
ogg_packet op;
ogg_stream_state os;
int close_in=0;
int eos=0;
ogg_int64_t audio_size=0;
double last_coded_seconds=0;
float loss_percent=-1;
float manual_gain=0;
int channels=-1;
int mapping_family;
int rate=0;
int wav_format=0;
int preskip=0;
int gran_offset=0;
int has_opus_stream=0;
ogg_int32_t opus_serialno;
int dither=1;
shapestate shapemem;
SpeexResamplerState *resampler=NULL;
float gain=1;
int streams=0;
size_t last_spin=0;
#ifdef WIN_UNICODE
int argc_utf8;
char **argv_utf8;
#endif
if(query_cpu_support()){
fprintf(stderr,"\n\n** WARNING: This program with compiled with SSE%s\n",query_cpu_support()>1?"2":"");
fprintf(stderr," but this CPU claims to lack these instructions. **\n\n");
}
#ifdef WIN_UNICODE
(void)argc;
(void)argv;
init_console_utf8();
init_commandline_arguments_utf8(&argc_utf8, &argv_utf8);
#endif
output=0;
shapemem.a_buf=0;
shapemem.b_buf=0;
shapemem.mute=960;
shapemem.fs=0;
/*Process options*/
while(1)
{
c = getopt_long (argc_utf8, argv_utf8, "hV",
long_options, &option_index);
if (c==-1)
break;
switch(c)
{
case 0:
if (strcmp(long_options[option_index].name,"help")==0)
{
usage();
quit(0);
} else if (strcmp(long_options[option_index].name,"quiet")==0)
{
quiet = 1;
} else if (strcmp(long_options[option_index].name,"version")==0)
{
version();
quit(0);
} else if (strcmp(long_options[option_index].name,"version-short")==0)
{
version_short();
quit(0);
} else if (strcmp(long_options[option_index].name,"no-dither")==0)
{
dither=0;
} else if (strcmp(long_options[option_index].name,"rate")==0)
{
rate=atoi (optarg);
} else if (strcmp(long_options[option_index].name,"gain")==0)
{
manual_gain=atof (optarg);
}else if(strcmp(long_options[option_index].name,"save-range")==0){
frange=fopen_utf8(optarg,"w");
if(frange==NULL){
perror(optarg);
fprintf(stderr,"Could not open save-range file: %s\n",optarg);
fprintf(stderr,"Must provide a writable file name.\n");
quit(1);
}
} else if (strcmp(long_options[option_index].name,"packet-loss")==0)
{
loss_percent = atof(optarg);
}
break;
case 'h':
usage();
quit(0);
break;
case 'V':
version();
quit(0);
break;
case '?':
usage();
quit(1);
break;
}
}
if (argc_utf8-optind!=2 && argc_utf8-optind!=1)
{
usage();
quit(1);
}
inFile=argv_utf8[optind];
/*Output to a file or playback?*/
if (argc_utf8-optind==2){
/*If we're outputting to a file, should we apply a wav header?*/
int i;
char *ext;
outFile=argv_utf8[optind+1];
ext=".wav";
i=strlen(outFile)-4;
wav_format=i>=0;
while(wav_format&&ext&&outFile[i]) {
wav_format&=tolower(outFile[i++])==*ext++;
}
}else {
outFile="";
wav_format=0;
/*If playing to audio out, default the rate to 48000
instead of the original rate. The original rate is
only important for minimizing surprise about the rate
of output files and preserving length, which aren't
relevant for playback. Many audio devices sound
better at 48kHz and not resampling also saves CPU.*/
if(rate==0)rate=48000;
}
/*Open input file*/
if (strcmp(inFile, "-")==0)
{
#if defined WIN32 || defined _WIN32
_setmode(_fileno(stdin), _O_BINARY);
#endif
fin=stdin;
}
else
{
fin = fopen_utf8(inFile, "rb");
if (!fin)
{
perror(inFile);
quit(1);
}
close_in=1;
}
/* .opus files use the Ogg container to provide framing and timekeeping.
* http://tools.ietf.org/html/draft-terriberry-oggopus
* The easiest way to decode the Ogg container is to use libogg, so
* thats what we do here.
* Using libogg is fairly straight forward-- you take your stream of bytes
* and feed them to ogg_sync_ and it periodically returns Ogg pages, you
* check if the pages belong to the stream you're decoding then you give
* them to libogg and it gives you packets. You decode the packets. The
* pages also provide timing information.*/
ogg_sync_init(&oy);
/*Main decoding loop*/
while (1)
{
char *data;
int i, nb_read;
/*Get the ogg buffer for writing*/
data = ogg_sync_buffer(&oy, 200);
/*Read bitstream from input file*/
nb_read = fread(data, sizeof(char), 200, fin);
ogg_sync_wrote(&oy, nb_read);
/*Loop for all complete pages we got (most likely only one)*/
while (ogg_sync_pageout(&oy, &og)==1)
{
if (stream_init == 0) {
ogg_stream_init(&os, ogg_page_serialno(&og));
stream_init = 1;
}
if (ogg_page_serialno(&og) != os.serialno) {
/* so all streams are read. */
ogg_stream_reset_serialno(&os, ogg_page_serialno(&og));
}
/*Add page to the bitstream*/
ogg_stream_pagein(&os, &og);
page_granule = ogg_page_granulepos(&og);
/*Extract all available packets*/
while (ogg_stream_packetout(&os, &op) == 1)
{
/*OggOpus streams are identified by a magic string in the initial
stream header.*/
if (op.b_o_s && op.bytes>=8 && !memcmp(op.packet, "OpusHead", 8)) {
if(!has_opus_stream)
{
opus_serialno = os.serialno;
has_opus_stream = 1;
link_out = 0;
packet_count = 0;
eos = 0;
total_links++;
} else {
fprintf(stderr,"Warning: ignoring opus stream %" I64FORMAT "\n",(long long)os.serialno);
}
}
if (!has_opus_stream || os.serialno != opus_serialno)
break;
/*If first packet in a logical stream, process the Opus header*/
if (packet_count==0)
{
st = process_header(&op, &rate, &mapping_family, &channels, &preskip, &gain, manual_gain, &streams, wav_format, quiet);
if (!st)
quit(1);
/*Remember how many samples at the front we were told to skip
so that we can adjust the timestamp counting.*/
gran_offset=preskip;
/*Setup the memory for the dithered output*/
if(!shapemem.a_buf)
{
shapemem.a_buf=calloc(channels,sizeof(float)*4);
shapemem.b_buf=calloc(channels,sizeof(float)*4);
shapemem.fs=rate;
}
if(!output)output=malloc(sizeof(float)*MAX_FRAME_SIZE*channels);
/*Normal players should just play at 48000 or their maximum rate,
as described in the OggOpus spec. But for commandline tools
like opusdec it can be desirable to exactly preserve the original
sampling rate and duration, so we have a resampler here.*/
if (rate != 48000)
{
int err;
resampler = speex_resampler_init(channels, 48000, rate, 5, &err);
if (err!=0)
fprintf(stderr, "resampler error: %s\n", speex_resampler_strerror(err));
speex_resampler_skip_zeros(resampler);
}
if(!fout)fout=out_file_open(outFile, &wav_format, rate, mapping_family, &channels);
} else if (packet_count==1)
{
if (!quiet)
print_comments((char*)op.packet, op.bytes);
} else {
int ret;
opus_int64 maxout;
opus_int64 outsamp;
int lost=0;
if (loss_percent>0 && 100*((float)rand())/RAND_MAX<loss_percent)
lost=1;
/*End of stream condition*/
if (op.e_o_s && os.serialno == opus_serialno)eos=1; /* don't care for anything except opus eos */
/*Are we simulating loss for this packet?*/
if (!lost){
/*Decode Opus packet*/
ret = opus_multistream_decode_float(st, (unsigned char*)op.packet, op.bytes, output, MAX_FRAME_SIZE, 0);
} else {
/*Extract the original duration.
Normally you wouldn't have it for a lost packet, but normally the
transports used on lossy channels will effectively tell you.
This avoids opusdec squaking when the decoded samples and
granpos mismatches.*/
opus_int32 lost_size;
lost_size = MAX_FRAME_SIZE;
if(op.bytes>0){
opus_int32 spp;
spp=opus_packet_get_nb_frames(op.packet,op.bytes);
if(spp>0){
spp*=opus_packet_get_samples_per_frame(op.packet,48000/*decoding_rate*/);
if(spp>0)lost_size=spp;
}
}
/*Invoke packet loss concealment.*/
ret = opus_multistream_decode_float(st, NULL, 0, output, lost_size, 0);
}
if(!quiet){
/*Display a progress spinner while decoding.*/
static const char spinner[]="|/-\\";
double coded_seconds = (double)audio_size/(channels*rate*sizeof(short));
if(coded_seconds>=last_coded_seconds+1){
fprintf(stderr,"\r[%c] %02d:%02d:%02d", spinner[last_spin&3],
(int)(coded_seconds/3600),(int)(coded_seconds/60)%60,
(int)(coded_seconds)%60);
fflush(stderr);
last_spin++;
last_coded_seconds=coded_seconds;
}
}
/*If the decoder returned less than zero, we have an error.*/
if (ret<0)
{
fprintf (stderr, "Decoding error: %s\n", opus_strerror(ret));
break;
}
frame_size = ret;
/*If we're collecting --save-range debugging data, collect it now.*/
if(frange!=NULL){
OpusDecoder *od;
opus_uint32 rngs[256];
for(i=0;i<streams;i++){
ret=opus_multistream_decoder_ctl(st,OPUS_MULTISTREAM_GET_DECODER_STATE(i,&od));
ret=opus_decoder_ctl(od,OPUS_GET_FINAL_RANGE(&rngs[i]));
}
save_range(frange,frame_size*(48000/48000/*decoding_rate*/),op.packet,op.bytes,
rngs,streams);
}
/*Apply header gain, if we're not using an opus library new
enough to do this internally.*/
if (gain!=0){
for (i=0;i<frame_size*channels;i++)
output[i] *= gain;
}
/*This handles making sure that our output duration respects
the final end-trim by not letting the output sample count
get ahead of the granpos indicated value.*/
maxout=((page_granule-gran_offset)*rate/48000)-link_out;
outsamp=audio_write(output, channels, frame_size, fout, resampler, &preskip, dither?&shapemem:0, strlen(outFile)!=0,0>maxout?0:maxout);
link_out+=outsamp;
audio_size+=sizeof(short)*outsamp*channels;
}
packet_count++;
}
/*We're done, drain the resampler if we were using it.*/
if(eos && resampler)
{
float *zeros;
int drain;
zeros=(float *)calloc(100*channels,sizeof(float));
drain = speex_resampler_get_input_latency(resampler);
do {
opus_int64 outsamp;
int tmp = drain;
if (tmp > 100)
tmp = 100;
outsamp=audio_write(zeros, channels, tmp, fout, resampler, NULL, &shapemem, strlen(outFile)!=0, ((page_granule-gran_offset)*rate/48000)-link_out);
link_out+=outsamp;
audio_size+=sizeof(short)*outsamp*channels;
drain -= tmp;
} while (drain>0);
free(zeros);
speex_resampler_destroy(resampler);
resampler=NULL;
}
if(eos)
{
has_opus_stream=0;
if(st)opus_multistream_decoder_destroy(st);
st=NULL;
}
}
if (feof(fin)) {
if(!quiet) {
fprintf(stderr, "\rDecoding complete. \n");
fflush(stderr);
}
break;
}
}
/*If we were writing wav, go set the duration.*/
if (strlen(outFile)!=0 && fout && wav_format>=0 && audio_size<0x7FFFFFFF)
{
if (fseek(fout,4,SEEK_SET)==0)
{
int tmp;
tmp = le_int(audio_size+20+wav_format);
if(fwrite(&tmp,4,1,fout)!=1)fprintf(stderr,"Error writing end length.\n");
if (fseek(fout,16+wav_format,SEEK_CUR)==0)
{
tmp = le_int(audio_size);
if(fwrite(&tmp,4,1,fout)!=1)fprintf(stderr,"Error writing header length.\n");
} else
{
fprintf (stderr, "First seek worked, second didn't\n");
}
} else {
fprintf (stderr, "Cannot seek on wave file, size will be incorrect\n");
}
}
/*Did we make it to the end without recovering ANY opus logical streams?*/
if(!total_links)fprintf (stderr, "This doesn't look like a Opus file\n");
if (stream_init)
ogg_stream_clear(&os);
ogg_sync_clear(&oy);
#if defined WIN32 || defined _WIN32
if (strlen(outFile)==0)
WIN_Audio_close ();
#endif
if(shapemem.a_buf)free(shapemem.a_buf);
if(shapemem.b_buf)free(shapemem.b_buf);
if(output)free(output);
if(frange)fclose(frange);
if (close_in)
fclose(fin);
if (fout != NULL)
fclose(fout);
#ifdef WIN_UNICODE
free_commandline_arguments_utf8(&argc_utf8, &argv_utf8);
uninit_console_utf8();
#endif
return 0;
}
