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Code Issues Releases Wiki Activity

Get rid of horrible code that relies on codec-set context variable,

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it is useless anyway since all the necessary information is available anyway.
This also makes MPlayer display the correct length for Theora-in-Ogg-Videos.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27354 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2008-07-26 22:27:50 +00:00
parent f6b9076a6d
commit bf91f83022
1 changed files with 8 additions and 25 deletions

33
libmpdemux/demux_ogg.c
View File

@ -99,6 +99,7 @@ typedef struct ogg_stream {
float samplerate; /// granulpos 2 time
int64_t lastpos;
int32_t lastsize;
int keyframe_frequency_force;
// Logical stream state
ogg_stream_state stream;
@ -236,7 +237,7 @@ 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, int samplesize) {
static unsigned char* demux_ogg_read_packet(ogg_stream_t* os,ogg_packet* pack,float* pts,int* flags, int samplesize) {
unsigned char* data = pack->packet;
*pts = 0;
@ -273,10 +274,9 @@ static unsigned char* demux_ogg_read_packet(ogg_stream_t* os,ogg_packet* pack,vo
/* header packets begin on 1-bit: thus check (*data&0x80). We don't
have theora_state st, until all header packets were passed to the
decoder. */
if (context != NULL && !(*data&0x80))
if (!(*data&0x80))
{
theora_info *thi = ((theora_struct_t*)context)->st.i;
int keyframe_granule_shift=_ilog(thi->keyframe_frequency_force-1);
int keyframe_granule_shift=_ilog(os->keyframe_frequency_force-1);
int64_t iframemask = (1 << keyframe_granule_shift) - 1;
if (pack->granulepos >= 0)
@ -427,7 +427,6 @@ static int demux_ogg_add_packet(demux_stream_t* ds,ogg_stream_t* os,int id,ogg_p
unsigned char* data;
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
@ -468,12 +467,9 @@ 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 == FOURCC_VORBIS) {
context = ((sh_audio_t *)ds->sh)->context;
samplesize = ((sh_audio_t *)ds->sh)->samplesize;
}
if (ds == d->video && ((sh_audio_t*)ds->sh)->format == FOURCC_THEORA)
context = ((sh_video_t *)ds->sh)->context;
data = demux_ogg_read_packet(os,pack,context,&pts,&flags,samplesize);
data = demux_ogg_read_packet(os,pack,&pts,&flags,samplesize);
if (!data)
return 0;
@ -504,7 +500,6 @@ void demux_ogg_scan_stream(demuxer_t* demuxer) {
ogg_stream_t* os;
ogg_packet op;
int np,sid,p,samplesize=1;
void *context = NULL;
off_t pos, last_pos;
pos = last_pos = demuxer->movi_start;
@ -520,15 +515,10 @@ void demux_ogg_scan_stream(demuxer_t* demuxer) {
// Get the serial number of the stream we use
if(demuxer->video->id >= 0) {
sid = demuxer->video->id;
/* demux_ogg_read_packet needs decoder context for Theora streams */
if (((sh_video_t*)demuxer->video->sh)->format == FOURCC_THEORA)
context = ((sh_video_t*)demuxer->video->sh)->context;
}
else if(demuxer->audio->id >= 0) {
sid = demuxer->audio->id;
/* demux_ogg_read_packet needs decoder context for Vorbis streams */
if(((sh_audio_t*)demuxer->audio->sh)->format == FOURCC_VORBIS) {
context = ((sh_audio_t*)demuxer->audio->sh)->context;
samplesize = ((sh_audio_t*)demuxer->audio->sh)->samplesize;
}
}
@ -566,7 +556,7 @@ 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,samplesize);
demux_ogg_read_packet(os,&op,&pts,&flags,samplesize);
if(op.granulepos >= 0) ogg_d->final_granulepos = op.granulepos;
if(index_mode == 2 && (flags || (os->vorbis && op.granulepos >= 0))) {
if (ogg_d->num_syncpoint > SIZE_MAX / sizeof(ogg_syncpoint_t) - 1) break;
@ -865,7 +855,6 @@ int demux_ogg_open(demuxer_t* demuxer) {
{
sh_v = new_sh_video_vid(demuxer,ogg_d->num_sub, n_video);
sh_v->context = NULL;
sh_v->bih = calloc(1,sizeof(BITMAPINFOHEADER));
sh_v->bih->biSize=sizeof(BITMAPINFOHEADER);
sh_v->bih->biCompression= sh_v->format = FOURCC_THEORA;
@ -881,6 +870,7 @@ int demux_ogg_open(demuxer_t* demuxer) {
sh_v->bih->biWidth*sh_v->bih->biHeight);
ogg_d->subs[ogg_d->num_sub].samplerate = sh_v->fps;
ogg_d->subs[ogg_d->num_sub].theora = 1;
ogg_d->subs[ogg_d->num_sub].keyframe_frequency_force = inf.keyframe_frequency_force;
ogg_d->subs[ogg_d->num_sub].id = n_video;
n_video++;
mp_msg(MSGT_DEMUX,MSGL_INFO,
@ -1328,7 +1318,6 @@ static void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_de
int i,sp,first,precision=1,do_seek=1;
vorbis_info* vi = NULL;
int64_t gp = 0, old_gp;
void *context = NULL;
off_t pos, old_pos;
int np;
int is_gp_valid;
@ -1339,16 +1328,10 @@ static void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_de
if(demuxer->video->id >= 0) {
ds = demuxer->video;
/* demux_ogg_read_packet needs decoder context for Theora streams */
if (((sh_video_t*)demuxer->video->sh)->format == FOURCC_THEORA)
context = ((sh_video_t*)demuxer->video->sh)->context;
rate = ogg_d->subs[ds->id].samplerate;
} else {
ds = demuxer->audio;
os = &ogg_d->subs[ds->id];
/* demux_ogg_read_packet needs decoder context for Vorbis streams */
if(((sh_audio_t*)demuxer->audio->sh)->format == FOURCC_VORBIS)
context = ((sh_audio_t*)demuxer->audio->sh)->context;
vi = &(os->vi);
rate = (float)vi->rate;
samplesize = ((sh_audio_t*)ds->sh)->samplesize;
@ -1455,7 +1438,7 @@ static void demux_ogg_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_de
}
is_gp_valid = (op.granulepos >= 0);
granulepos_orig=op.granulepos;
demux_ogg_read_packet(os,&op,context,&pts,&is_keyframe,samplesize);
demux_ogg_read_packet(os,&op,&pts,&is_keyframe,samplesize);
if (precision && is_gp_valid) {
precision--;
if (abs(gp - op.granulepos) > rate && (op.granulepos != old_gp)) {