Originally committed as revision 12618 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Michael Niedermayer 17 years ago
parent 9bcc2883ac
commit 1ce50d32b7
  1. 84
      libavformat/avidec.c

@ -777,41 +777,40 @@ resync:
//parse ##dc/##wb
if(n < s->nb_streams){
AVStream *st;
AVIStream *ast;
st = s->streams[n];
ast = st->priv_data;
AVStream *st;
AVIStream *ast;
st = s->streams[n];
ast = st->priv_data;
if(s->nb_streams>=2){
AVStream *st1 = s->streams[1];
AVIStream *ast1= st1->priv_data;
//workaround for broken small-file-bug402.avi
if( d[2] == 'w' && d[3] == 'b'
&& n==0
&& st ->codec->codec_type == CODEC_TYPE_VIDEO
&& st1->codec->codec_type == CODEC_TYPE_AUDIO
&& ast->prefix == 'd'*256+'c'
&& (d[2]*256+d[3] == ast1->prefix || !ast1->prefix_count)
){
n=1;
st = st1;
ast = ast1;
av_log(s, AV_LOG_WARNING, "Invalid stream+prefix combination, assuming audio\n");
}
//workaround for broken small-file-bug402.avi
if( d[2] == 'w' && d[3] == 'b'
&& n==0
&& st ->codec->codec_type == CODEC_TYPE_VIDEO
&& st1->codec->codec_type == CODEC_TYPE_AUDIO
&& ast->prefix == 'd'*256+'c'
&& (d[2]*256+d[3] == ast1->prefix || !ast1->prefix_count)
){
n=1;
st = st1;
ast = ast1;
av_log(s, AV_LOG_WARNING, "Invalid stream+prefix combination, assuming audio\n");
}
}
if( (st->discard >= AVDISCARD_DEFAULT && size==0)
/*|| (st->discard >= AVDISCARD_NONKEY && !(pkt->flags & PKT_FLAG_KEY))*/ //FIXME needs a little reordering
|| st->discard >= AVDISCARD_ALL){
if( (st->discard >= AVDISCARD_DEFAULT && size==0)
/*|| (st->discard >= AVDISCARD_NONKEY && !(pkt->flags & PKT_FLAG_KEY))*/ //FIXME needs a little reordering
|| st->discard >= AVDISCARD_ALL){
if(ast->sample_size) ast->frame_offset += pkt->size;
else ast->frame_offset++;
url_fskip(pb, size);
goto resync;
}
}
if (d[2] == 'p' && d[3] == 'c' && size<=4*256+4) {
if (d[2] == 'p' && d[3] == 'c' && size<=4*256+4) {
int k = get_byte(pb);
int last = (k + get_byte(pb) - 1) & 0xFF;
@ -821,32 +820,31 @@ resync:
ast->pal[k] = get_be32(pb)>>8;// b + (g << 8) + (r << 16);
ast->has_pal= 1;
goto resync;
} else
if( ((ast->prefix_count<5 || sync+9 > i) && d[2]<128 && d[3]<128) ||
d[2]*256+d[3] == ast->prefix /*||
(d[2] == 'd' && d[3] == 'c') ||
(d[2] == 'w' && d[3] == 'b')*/) {
} else if( ((ast->prefix_count<5 || sync+9 > i) && d[2]<128 && d[3]<128) ||
d[2]*256+d[3] == ast->prefix /*||
(d[2] == 'd' && d[3] == 'c') ||
(d[2] == 'w' && d[3] == 'b')*/) {
//av_log(NULL, AV_LOG_DEBUG, "OK\n");
if(d[2]*256+d[3] == ast->prefix)
ast->prefix_count++;
else{
ast->prefix= d[2]*256+d[3];
ast->prefix_count= 0;
}
if(d[2]*256+d[3] == ast->prefix)
ast->prefix_count++;
else{
ast->prefix= d[2]*256+d[3];
ast->prefix_count= 0;
}
avi->stream_index= n;
ast->packet_size= size + 8;
ast->remaining= size;
avi->stream_index= n;
ast->packet_size= size + 8;
ast->remaining= size;
{
uint64_t pos= url_ftell(pb) - 8;
if(!st->index_entries || !st->nb_index_entries || st->index_entries[st->nb_index_entries - 1].pos < pos){
av_add_index_entry(st, pos, ast->frame_offset / FFMAX(1, ast->sample_size), size, 0, AVINDEX_KEYFRAME);
{
uint64_t pos= url_ftell(pb) - 8;
if(!st->index_entries || !st->nb_index_entries || st->index_entries[st->nb_index_entries - 1].pos < pos){
av_add_index_entry(st, pos, ast->frame_offset / FFMAX(1, ast->sample_size), size, 0, AVINDEX_KEYFRAME);
}
}
goto resync;
}
goto resync;
}
}
}

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