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Code Issues Releases Activity

avformat/bink: properly mark packets that are key frames

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This commit is contained in:
Paul B Mahol
2019-03-10 20:33:19 +01:00
parent 6eae7e5644
commit f39678b3a9
1 changed files with 8 additions and 3 deletions
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9
libavformat/bink.c
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@@ -56,6 +56,7 @@ typedef struct BinkDemuxContext {
int64_t audio_pts[BINK_MAX_AUDIO_TRACKS];
uint32_t remain_packet_size;
int flags;
int smush_size;
} BinkDemuxContext;
@@ -90,6 +91,7 @@ static int read_header(AVFormatContext *s)
unsigned int i;
uint32_t pos, next_pos;
uint16_t flags;
int next_keyframe = 1;
int keyframe;
int ret;
uint32_t signature;
@@ -203,12 +205,13 @@ static int read_header(AVFormatContext *s)
next_pos = avio_rl32(pb);
for (i = 0; i < vst->duration; i++) {
pos = next_pos;
keyframe = next_keyframe;
if (i == vst->duration - 1) {
next_pos = bink->file_size;
keyframe = 0;
next_keyframe = 0;
} else {
next_pos = avio_rl32(pb);
keyframe = pos & 1;
next_keyframe = next_pos & 1;
}
pos &= ~1;
next_pos &= ~1;
@@ -254,6 +257,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
}
bink->remain_packet_size = st->index_entries[index_entry].size;
bink->flags = st->index_entries[index_entry].flags;
bink->current_track = 0;
}
@@ -290,6 +294,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
return ret;
pkt->stream_index = 0;
pkt->pts = bink->video_pts++;
if (bink->flags & AVINDEX_KEYFRAME)
pkt->flags |= AV_PKT_FLAG_KEY;
/* -1 instructs the next call to read_packet() to read the next frame */