return 0;
}
-static int decode_frame_header(NUTContext *nut, int *flags_ret, int64_t *pts, int *stream_id, int frame_code){
+static int decode_frame_header(NUTContext *nut, int64_t *pts, int *stream_id, int frame_code){
AVFormatContext *s= nut->avf;
ByteIOContext *bc = &s->pb;
StreamContext *stc;
get_v(bc);
if(flags&FLAG_CHECKSUM){
get_be32(bc); //FIXME check this
- }else if(size > 2*nut->max_distance){
+ }else if(size > 2*nut->max_distance || FFABS(stc->last_pts - *pts) > stc->max_pts_distance){
av_log(s, AV_LOG_ERROR, "frame size > 2max_distance and no checksum\n");
return -1;
}
- *flags_ret= flags;
stc->last_pts= *pts;
- stc->last_key_frame= flags&FLAG_KEY; //FIXME change to last flags
+ stc->last_flags= flags;
return size;
}
static int decode_frame(NUTContext *nut, AVPacket *pkt, int frame_code){
AVFormatContext *s= nut->avf;
ByteIOContext *bc = &s->pb;
- int size, stream_id, flags, discard;
+ int size, stream_id, discard;
int64_t pts, last_IP_pts;
+ StreamContext *stc;
- size= decode_frame_header(nut, &flags, &pts, &stream_id, frame_code);
+ size= decode_frame_header(nut, &pts, &stream_id, frame_code);
if(size < 0)
return -1;
+ stc= &nut->stream[stream_id];
+
+ if (stc->last_flags & FLAG_KEY)
+ stc->skip_until_key_frame=0;
+
discard= s->streams[ stream_id ]->discard;
last_IP_pts= s->streams[ stream_id ]->last_IP_pts;
- if( (discard >= AVDISCARD_NONKEY && !(flags & FLAG_KEY))
+ if( (discard >= AVDISCARD_NONKEY && !(stc->last_flags & FLAG_KEY))
||(discard >= AVDISCARD_BIDIR && last_IP_pts != AV_NOPTS_VALUE && last_IP_pts > pts)
- || discard >= AVDISCARD_ALL){
+ || discard >= AVDISCARD_ALL
+ || stc->skip_until_key_frame){
url_fskip(bc, size);
return 1;
}
av_get_packet(bc, pkt, size);
pkt->stream_index = stream_id;
- if (flags & FLAG_KEY)
+ if (stc->last_flags & FLAG_KEY)
pkt->flags |= PKT_FLAG_KEY;
pkt->pts = pts;
syncpoint_t nopts_sp= {.ts= AV_NOPTS_VALUE, .back_ptr= AV_NOPTS_VALUE};
syncpoint_t *sp, *next_node[2]= {&nopts_sp, &nopts_sp};
int64_t pos, pos2, ts;
+ int i;
if(st->index_entries){
int index= av_index_search_timestamp(st, pts, flags);
if(pos2 > pos || pos2 + 15 < pos){
av_log(NULL, AV_LOG_ERROR, "no syncpoint at backptr pos\n");
}
+ for(i=0; i<s->nb_streams; i++)
+ nut->stream[i].skip_until_key_frame=1;
+
return 0;
}