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The granulepos does not depend on the number of channels, only on the sample size. Patch by Wolfram Gloger (wmglo at dent dot med dot uni-muenchen dot de).

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12704 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
mosu 2004-06-27 13:55:40 +00:00
parent 5247aa3a18
commit e9ff38d39b
1 changed files with 15 additions and 8 deletions

23
libmpdemux/demux_ogg.c
View File

@ -313,7 +313,7 @@ static int demux_ogg_get_page_stream(ogg_demuxer_t* ogg_d,ogg_stream_state** os
}
static unsigned char* demux_ogg_read_packet(ogg_stream_t* os,ogg_packet* pack,void *context,float* pts,int* flags) {
static unsigned char* demux_ogg_read_packet(ogg_stream_t* os,ogg_packet* pack,void *context,float* pts,int* flags, int samplesize) {
unsigned char* data;
*pts = 0;
@ -328,7 +328,7 @@ static unsigned char* demux_ogg_read_packet(ogg_stream_t* os,ogg_packet* pack,vo
vorbis_info *vi = &((ov_struct_t*)context)->vi;
// When we dump the audio, there is no vi, but we don't care of timestamp in this case
int32_t blocksize = vorbis_packet_blocksize(vi,pack) / vi->channels;
int32_t blocksize = vorbis_packet_blocksize(vi,pack) / samplesize;
// Calculate the timestamp if the packet don't have any
if(pack->granulepos == -1) {
pack->granulepos = os->lastpos;
@ -470,6 +470,7 @@ static int demux_ogg_add_packet(demux_stream_t* ds,ogg_stream_t* os,int id,ogg_p
float pts = 0;
int flags = 0;
void *context = NULL;
int samplesize = 1;
// If packet is an comment header then we try to get comments at first
if (pack->bytes >= 7 && !memcmp(pack->packet, "\003vorbis", 7))
@ -501,11 +502,13 @@ static int demux_ogg_add_packet(demux_stream_t* ds,ogg_stream_t* os,int id,ogg_p
// For vorbis packet the packet is the data, for other codec we must jump
// the header
if(ds == d->audio && ((sh_audio_t*)ds->sh)->format == 0xFFFE)
if(ds == d->audio && ((sh_audio_t*)ds->sh)->format == 0xFFFE) {
context = ((sh_audio_t *)ds->sh)->context;
samplesize = ((sh_audio_t *)ds->sh)->samplesize;
}
if (ds == d->video && ((sh_audio_t*)ds->sh)->format == 0xFFFC)
context = ((sh_video_t *)ds->sh)->context;
data = demux_ogg_read_packet(os,pack,context,&pts,&flags);
data = demux_ogg_read_packet(os,pack,context,&pts,&flags,samplesize);
if(d->video->id < 0)
((sh_audio_t*)ds->sh)->delay = pts;
@ -537,7 +540,7 @@ void demux_ogg_scan_stream(demuxer_t* demuxer) {
ogg_stream_state* oss;
ogg_stream_t* os;
ogg_packet op;
int np,sid,p;
int np,sid,p,samplesize=1;
void *context = NULL;
off_t pos, last_pos;
pos = last_pos = demuxer->movi_start;
@ -561,8 +564,10 @@ void demux_ogg_scan_stream(demuxer_t* demuxer) {
else {
sid = demuxer->audio->id;
/* demux_ogg_read_packet needs decoder context for Vorbis streams */
if(((sh_audio_t*)demuxer->audio->sh)->format == 0xFFFE)
if(((sh_audio_t*)demuxer->audio->sh)->format == 0xFFFE) {
context = ((sh_audio_t*)demuxer->audio->sh)->context;
samplesize = ((sh_audio_t*)demuxer->audio->sh)->samplesize;
}
}
os = &ogg_d->subs[sid];
oss = &os->stream;
@ -597,7 +602,7 @@ void demux_ogg_scan_stream(demuxer_t* demuxer) {
while(ogg_stream_packetout(oss,&op) == 1) {
float pts;
int flags;
demux_ogg_read_packet(os,&op,context,&pts,&flags);
demux_ogg_read_packet(os,&op,context,&pts,&flags,samplesize);
if(op.granulepos >= 0) ogg_d->final_granulepos = op.granulepos;
if(index_mode == 2 && (flags || (os->vorbis && op.granulepos >= 0))) {
ogg_d->syncpoints = (ogg_syncpoint_t*)realloc(ogg_d->syncpoints,(ogg_d->num_syncpoint+1)*sizeof(ogg_syncpoint_t));
@ -1185,6 +1190,7 @@ void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,int flags) {
int is_gp_valid;
float pts;
int is_keyframe;
int samplesize=1;
if(demuxer->video->id >= 0) {
ds = demuxer->video;
@ -1199,6 +1205,7 @@ void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,int flags) {
context = ((sh_audio_t*)demuxer->audio->sh)->context;
vi = &((ov_struct_t*)((sh_audio_t*)ds->sh)->context)->vi;
rate = (float)vi->rate;
samplesize = ((sh_audio_t*)ds->sh)->samplesize;
}
os = &ogg_d->subs[ds->id];
@ -1300,7 +1307,7 @@ void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,int flags) {
break;
}
is_gp_valid = (op.granulepos >= 0);
demux_ogg_read_packet(os,&op,context,&pts,&is_keyframe);
demux_ogg_read_packet(os,&op,context,&pts,&is_keyframe,samplesize);
if (precision && is_gp_valid) {
precision--;
if (abs(gp - op.granulepos) > rate && (op.granulepos != old_gp)) {