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Commit effaee03 authored by Monty's avatar Monty
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global replaced all tabs with whitespaces in the source to end some of 

the ongoing formatting silliness.

...with apologies to the havoc this will wreak on svn blame being useful.


svn path=/trunk/vorbis/; revision=16037
parent 5f1308fd
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Showing with 25780 additions and 25781 deletions
examples/chaining_example.c
View file @ effaee03
......@@ -43,25 +43,25 @@ int main(){
/* print details about each logical bitstream in the input */
if(ov_seekable(&ov)){
printf("Input bitstream contained %ld logical bitstream section(s).\n",
ov_streams(&ov));
ov_streams(&ov));
printf("Total bitstream samples: %ld\n\n",
(long)ov_pcm_total(&ov,-1));
(long)ov_pcm_total(&ov,-1));
printf("Total bitstream playing time: %ld seconds\n\n",
(long)ov_time_total(&ov,-1));
(long)ov_time_total(&ov,-1));
}else{
printf("Standard input was not seekable.\n"
"First logical bitstream information:\n\n");
"First logical bitstream information:\n\n");
}
for(i=0;i<ov_streams(&ov);i++){
vorbis_info *vi=ov_info(&ov,i);
printf("\tlogical bitstream section %d information:\n",i+1);
printf("\t\t%ldHz %d channels bitrate %ldkbps serial number=%ld\n",
vi->rate,vi->channels,ov_bitrate(&ov,i)/1000,
ov_serialnumber(&ov,i));
vi->rate,vi->channels,ov_bitrate(&ov,i)/1000,
ov_serialnumber(&ov,i));
printf("\t\theader length: %ld bytes\n",(long)
(ov.dataoffsets[i]-ov.offsets[i]));
(ov.dataoffsets[i]-ov.offsets[i]));
printf("\t\tcompressed length: %ld bytes\n",(long)(ov_raw_total(&ov,i)));
printf("\t\tplay time: %lds\n",(long)ov_time_total(&ov,i));
}
......
examples/decoder_example.c
View file @ effaee03
......@@ -43,12 +43,12 @@ extern void _VDBG_dump(void);
int main(){
ogg_sync_state oy; /* sync and verify incoming physical bitstream */
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
ogg_packet op; /* one raw packet of data for decode */
vorbis_info vi; /* struct that stores all the static vorbis bitstream
settings */
settings */
vorbis_comment vc; /* struct that stores all the bitstream user comments */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
......@@ -129,7 +129,7 @@ int main(){
if(vorbis_synthesis_headerin(&vi,&vc,&op)<0){
/* error case; not a vorbis header */
fprintf(stderr,"This Ogg bitstream does not contain Vorbis "
"audio data.\n");
"audio data.\n");
exit(1);
}
......@@ -146,38 +146,38 @@ int main(){
i=0;
while(i<2){
while(i<2){
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* Need more data */
/* Don't complain about missing or corrupt data yet. We'll
catch it at the packet output phase */
if(result==1){
ogg_stream_pagein(&os,&og); /* we can ignore any errors here
as they'll also become apparent
at packetout */
while(i<2){
result=ogg_stream_packetout(&os,&op);
if(result==0)break;
if(result<0){
/* Uh oh; data at some point was corrupted or missing!
We can't tolerate that in a header. Die. */
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
result=vorbis_synthesis_headerin(&vi,&vc,&op);
if(result<0){
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
i++;
}
}
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* Need more data */
/* Don't complain about missing or corrupt data yet. We'll
catch it at the packet output phase */
if(result==1){
ogg_stream_pagein(&os,&og); /* we can ignore any errors here
as they'll also become apparent
at packetout */
while(i<2){
result=ogg_stream_packetout(&os,&op);
if(result==0)break;
if(result<0){
/* Uh oh; data at some point was corrupted or missing!
We can't tolerate that in a header. Die. */
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
result=vorbis_synthesis_headerin(&vi,&vc,&op);
if(result<0){
fprintf(stderr,"Corrupt secondary header. Exiting.\n");
exit(1);
}
i++;
}
}
}
/* no harm in not checking before adding more */
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
if(bytes==0 && i<2){
fprintf(stderr,"End of file before finding all Vorbis headers!\n");
exit(1);
fprintf(stderr,"End of file before finding all Vorbis headers!\n");
exit(1);
}
ogg_sync_wrote(&oy,bytes);
}
......@@ -187,8 +187,8 @@ int main(){
{
char **ptr=vc.user_comments;
while(*ptr){
fprintf(stderr,"%s\n",*ptr);
++ptr;
fprintf(stderr,"%s\n",*ptr);
++ptr;
}
fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi.channels,vi.rate);
fprintf(stderr,"Encoded by: %s\n\n",vc.vendor);
......@@ -200,97 +200,97 @@ int main(){
packet->PCM decoder. */
if(vorbis_synthesis_init(&vd,&vi)==0){ /* central decode state */
vorbis_block_init(&vd,&vb); /* local state for most of the decode
so multiple block decodes can
proceed in parallel. We could init
multiple vorbis_block structures
for vd here */
so multiple block decodes can
proceed in parallel. We could init
multiple vorbis_block structures
for vd here */
/* The rest is just a straight decode loop until end of stream */
while(!eos){
while(!eos){
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
fprintf(stderr,"Corrupt or missing data in bitstream; "
"continuing...\n");
}else{
ogg_stream_pagein(&os,&og); /* can safely ignore errors at
this point */
while(1){
result=ogg_stream_packetout(&os,&op);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
/* no reason to complain; already complained above */
}else{
/* we have a packet. Decode it */
float **pcm;
int samples;
if(vorbis_synthesis(&vb,&op)==0) /* test for success! */
vorbis_synthesis_blockin(&vd,&vb);
/*
**pcm is a multichannel float vector. In stereo, for
example, pcm[0] is left, and pcm[1] is right. samples is
the size of each channel. Convert the float values
(-1.<=range<=1.) to whatever PCM format and write it out */
while((samples=vorbis_synthesis_pcmout(&vd,&pcm))>0){
int j;
int clipflag=0;
int bout=(samples<convsize?samples:convsize);
/* convert floats to 16 bit signed ints (host order) and
interleave */
for(i=0;i<vi.channels;i++){
ogg_int16_t *ptr=convbuffer+i;
float *mono=pcm[i];
for(j=0;j<bout;j++){
while(!eos){
int result=ogg_sync_pageout(&oy,&og);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
fprintf(stderr,"Corrupt or missing data in bitstream; "
"continuing...\n");
}else{
ogg_stream_pagein(&os,&og); /* can safely ignore errors at
this point */
while(1){
result=ogg_stream_packetout(&os,&op);
if(result==0)break; /* need more data */
if(result<0){ /* missing or corrupt data at this page position */
/* no reason to complain; already complained above */
}else{
/* we have a packet. Decode it */
float **pcm;
int samples;
if(vorbis_synthesis(&vb,&op)==0) /* test for success! */
vorbis_synthesis_blockin(&vd,&vb);
/*
**pcm is a multichannel float vector. In stereo, for
example, pcm[0] is left, and pcm[1] is right. samples is
the size of each channel. Convert the float values
(-1.<=range<=1.) to whatever PCM format and write it out */
while((samples=vorbis_synthesis_pcmout(&vd,&pcm))>0){
int j;
int clipflag=0;
int bout=(samples<convsize?samples:convsize);
/* convert floats to 16 bit signed ints (host order) and
interleave */
for(i=0;i<vi.channels;i++){
ogg_int16_t *ptr=convbuffer+i;
float *mono=pcm[i];
for(j=0;j<bout;j++){
#if 1
int val=mono[j]*32767.f;
int val=mono[j]*32767.f;
#else /* optional dither */
int val=mono[j]*32767.f+drand48()-0.5f;
int val=mono[j]*32767.f+drand48()-0.5f;
#endif
/* might as well guard against clipping */
if(val>32767){
val=32767;
clipflag=1;
}
if(val<-32768){
val=-32768;
clipflag=1;
}
*ptr=val;
ptr+=vi.channels;
}
}
if(clipflag)
fprintf(stderr,"Clipping in frame %ld\n",(long)(vd.sequence));
fwrite(convbuffer,2*vi.channels,bout,stdout);
vorbis_synthesis_read(&vd,bout); /* tell libvorbis how
many samples we
actually consumed */
}
}
}
if(ogg_page_eos(&og))eos=1;
}
}
if(!eos){
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
ogg_sync_wrote(&oy,bytes);
if(bytes==0)eos=1;
}
/* might as well guard against clipping */
if(val>32767){
val=32767;
clipflag=1;
}
if(val<-32768){
val=-32768;
clipflag=1;
}
*ptr=val;
ptr+=vi.channels;
}
}
if(clipflag)
fprintf(stderr,"Clipping in frame %ld\n",(long)(vd.sequence));
fwrite(convbuffer,2*vi.channels,bout,stdout);
vorbis_synthesis_read(&vd,bout); /* tell libvorbis how
many samples we
actually consumed */
}
}
}
if(ogg_page_eos(&og))eos=1;
}
}
if(!eos){
buffer=ogg_sync_buffer(&oy,4096);
bytes=fread(buffer,1,4096,stdin);
ogg_sync_wrote(&oy,bytes);
if(bytes==0)eos=1;
}
}
/* ogg_page and ogg_packet structs always point to storage in
libvorbis. They're never freed or manipulated directly */
libvorbis. They're never freed or manipulated directly */
vorbis_block_clear(&vb);
vorbis_dsp_clear(&vd);
......
examples/encoder_example.c
View file @ effaee03
......@@ -41,12 +41,12 @@ signed char readbuffer[READ*4+44]; /* out of the data segment, not the stack */
int main(){
ogg_stream_state os; /* take physical pages, weld into a logical
stream of packets */
stream of packets */
ogg_page og; /* one Ogg bitstream page. Vorbis packets are inside */
ogg_packet op; /* one raw packet of data for decode */
vorbis_info vi; /* struct that stores all the static vorbis bitstream
settings */
settings */
vorbis_comment vc; /* struct that stores all the user comments */
vorbis_dsp_state vd; /* central working state for the packet->PCM decoder */
......@@ -84,17 +84,16 @@ int main(){
for (i=0, founddata=0; i<30 && ! feof(stdin) && ! ferror(stdin); i++)
{
fread(readbuffer,1,2,stdin);
if ( ! strncmp((char*)readbuffer, "da", 2) )
{
if ( ! strncmp((char*)readbuffer, "da", 2) ){
founddata = 1;
fread(readbuffer,1,6,stdin);
break;
}
}
/********** Encode setup ************/
vorbis_info_init(&vi);
/* choose an encoding mode. A few possibilities commented out, one
......@@ -162,20 +161,20 @@ int main(){
vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
ogg_stream_packetin(&os,&header); /* automatically placed in its own
page */
page */
ogg_stream_packetin(&os,&header_comm);
ogg_stream_packetin(&os,&header_code);
/* This ensures the actual
* audio data will start on a new page, as per spec
*/
while(!eos){
int result=ogg_stream_flush(&os,&og);
if(result==0)break;
fwrite(og.header,1,og.header_len,stdout);
fwrite(og.body,1,og.body_len,stdout);
}
/* This ensures the actual
* audio data will start on a new page, as per spec
*/
while(!eos){
int result=ogg_stream_flush(&os,&og);
if(result==0)break;
fwrite(og.header,1,og.header_len,stdout);
fwrite(og.body,1,og.body_len,stdout);
}
}
while(!eos){
......@@ -188,7 +187,7 @@ int main(){
Tell the library we're at end of stream so that it can handle
the last frame and mark end of stream in the output properly */
vorbis_analysis_wrote(&vd,0);
}else{
/* data to encode */
......@@ -197,10 +196,10 @@ int main(){
/* uninterleave samples */
for(i=0;i<bytes/4;i++){
buffer[0][i]=((readbuffer[i*4+1]<<8)|
(0x00ff&(int)readbuffer[i*4]))/32768.f;
buffer[1][i]=((readbuffer[i*4+3]<<8)|
(0x00ff&(int)readbuffer[i*4+2]))/32768.f;
buffer[0][i]=((readbuffer[i*4+1]<<8)|
(0x00ff&(int)readbuffer[i*4]))/32768.f;
buffer[1][i]=((readbuffer[i*4+3]<<8)|
(0x00ff&(int)readbuffer[i*4+2]))/32768.f;
}
/* tell the library how much we actually submitted */
......@@ -217,22 +216,22 @@ int main(){
vorbis_bitrate_addblock(&vb);
while(vorbis_bitrate_flushpacket(&vd,&op)){
/* weld the packet into the bitstream */
ogg_stream_packetin(&os,&op);
/* write out pages (if any) */
while(!eos){
int result=ogg_stream_pageout(&os,&og);
if(result==0)break;
fwrite(og.header,1,og.header_len,stdout);
fwrite(og.body,1,og.body_len,stdout);
/* this could be set above, but for illustrative purposes, I do
it here (to show that vorbis does know where the stream ends) */
if(ogg_page_eos(&og))eos=1;
}
/* weld the packet into the bitstream */
ogg_stream_packetin(&os,&op);
/* write out pages (if any) */
while(!eos){
int result=ogg_stream_pageout(&os,&og);
if(result==0)break;
fwrite(og.header,1,og.header_len,stdout);
fwrite(og.body,1,og.body_len,stdout);
/* this could be set above, but for illustrative purposes, I do
it here (to show that vorbis does know where the stream ends) */
if(ogg_page_eos(&og))eos=1;
}
}
}
}
......
examples/seeking_example.c
View file @ effaee03
......@@ -26,9 +26,9 @@
#endif
void _verify(OggVorbis_File *ov,
ogg_int64_t val,ogg_int64_t pcmval,double timeval,
ogg_int64_t pcmlength,
char *bigassbuffer){
ogg_int64_t val,ogg_int64_t pcmval,double timeval,
ogg_int64_t pcmlength,
char *bigassbuffer){
int j;
long bread;
char buffer[4096];
......@@ -38,17 +38,17 @@ void _verify(OggVorbis_File *ov,
/* verify the raw position, the pcm position and position decode */
if(val!=-1 && ov_raw_tell(ov)<val){
fprintf(stderr,"raw position out of tolerance: requested %ld, got %ld\n",
(long)val,(long)ov_raw_tell(ov));
(long)val,(long)ov_raw_tell(ov));
exit(1);
}
if(pcmval!=-1 && ov_pcm_tell(ov)>pcmval){
fprintf(stderr,"pcm position out of tolerance: requested %ld, got %ld\n",
(long)pcmval,(long)ov_pcm_tell(ov));
(long)pcmval,(long)ov_pcm_tell(ov));
exit(1);
}
if(timeval!=-1 && ov_time_tell(ov)>timeval){
fprintf(stderr,"time position out of tolerance: requested %f, got %f\n",
timeval,ov_time_tell(ov));
timeval,ov_time_tell(ov));
exit(1);
}
pos=ov_pcm_tell(ov);
......@@ -62,12 +62,12 @@ void _verify(OggVorbis_File *ov,
fprintf(stderr,"data position after seek doesn't match pcm position\n");
{
FILE *f=fopen("a.m","w");
for(j=0;j<bread;j++)fprintf(f,"%d\n",(int)buffer[j]);
fclose(f);
f=fopen("b.m","w");
for(j=0;j<bread;j++)fprintf(f,"%d\n",(int)bigassbuffer[j+pos*2]);
fclose(f);
FILE *f=fopen("a.m","w");
for(j=0;j<bread;j++)fprintf(f,"%d\n",(int)buffer[j]);
fclose(f);
f=fopen("b.m","w");
for(j=0;j<bread;j++)fprintf(f,"%d\n",(int)bigassbuffer[j+pos*2]);
fclose(f);
}
exit(1);
......@@ -102,9 +102,9 @@ int main(){
for(i=0;i<ov.links;i++){
vorbis_info *vi=ov_info(&ov,i);
if(vi->channels!=2){
fprintf(stderr,"Sorry; right now seeking_test can only use Vorbis files\n"
"that are entirely stereo.\n\n");
exit(1);
fprintf(stderr,"Sorry; right now seeking_test can only use Vorbis files\n"
"that are entirely stereo.\n\n");
exit(1);
}
}
......@@ -118,29 +118,29 @@ int main(){
int ret=ov_read(&ov,bigassbuffer+i,pcmlength*2-i,1,1,1,&dummy);
if(ret<0)continue;
if(ret){
i+=ret;
i+=ret;
}else{
pcmlength=i/2;
pcmlength=i/2;
}
fprintf(stderr,"\rloading.... [%ld left] ",
(long)(pcmlength*2-i));
(long)(pcmlength*2-i));
}
{
ogg_int64_t length=ov.end;
fprintf(stderr,"\rtesting raw seeking to random places in %ld bytes....\n",
(long)length);
(long)length);
for(i=0;i<1000;i++){
ogg_int64_t val=(double)rand()/RAND_MAX*length;
fprintf(stderr,"\r\t%d [raw position %ld]... ",i,(long)val);
ret=ov_raw_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
ogg_int64_t val=(double)rand()/RAND_MAX*length;
fprintf(stderr,"\r\t%d [raw position %ld]... ",i,(long)val);
ret=ov_raw_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,val,-1,-1.,pcmlength,bigassbuffer);
_verify(&ov,val,-1,-1.,pcmlength,bigassbuffer);
}
}
......@@ -148,18 +148,18 @@ int main(){
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm page seeking to random places in %ld samples....\n",
(long)pcmlength);
(long)pcmlength);
for(i=0;i<1000;i++){
ogg_int64_t val=(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek_page(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
ogg_int64_t val=(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek_page(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,-1,val,-1.,pcmlength,bigassbuffer);
_verify(&ov,-1,val,-1.,pcmlength,bigassbuffer);
}
}
......@@ -167,23 +167,23 @@ int main(){
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm exact seeking to random places in %ld samples....\n",
(long)pcmlength);
(long)pcmlength);
for(i=0;i<1000;i++){
ogg_int64_t val=(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
if(ov_pcm_tell(&ov)!=val){
fprintf(stderr,"Declared position didn't perfectly match request: %ld != %ld\n",