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avformat/flvdec: remove unused context member of flv 

The exheader is unnecessary after 207e9f4e50
Iust use local varible can do the same function.

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2023-08-04 10:42:16 +08:00 committed by Steven Liu
parent 176ed008bd
commit ab88970fba
1 changed files with 4 additions and 5 deletions
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9
libavformat/flvdec.c
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@ -80,7 +80,6 @@ typedef struct FLVContext {
int64_t time_offset;
int64_t time_pos;
uint8_t exheader;
} FLVContext;
/* AMF date type */
@ -813,7 +812,6 @@ static int flv_read_header(AVFormatContext *s)
s->start_time = 0;
flv->sum_flv_tag_size = 0;
flv->last_keyframe_stream_index = -1;
flv->exheader = 0;
return 0;
}
@ -1043,6 +1041,7 @@ static int flv_read_packet(AVFormatContext *s, AVPacket *pkt)
AVStream *st = NULL;
int last = -1;
int orig_size;
int enhanced_flv = 0;
uint32_t video_codec_id = 0;
retry:
@ -1095,9 +1094,9 @@ retry:
* Reference Enhancing FLV 2023-03-v1.0.0-B.8
* https://github.com/veovera/enhanced-rtmp/blob/main/enhanced-rtmp-v1.pdf
* */
flv->exheader = (flags >> 7) & 1;
enhanced_flv = (flags >> 7) & 1;
size--;
if (flv->exheader) {
if (enhanced_flv) {
video_codec_id = avio_rb32(s->pb);
size -= 4;
}
@ -1276,7 +1275,7 @@ retry_duration:
st->codecpar->codec_id == AV_CODEC_ID_AV1 ||
st->codecpar->codec_id == AV_CODEC_ID_VP9) {
int type = 0;
if (flv->exheader && stream_type == FLV_STREAM_TYPE_VIDEO) {
if (enhanced_flv && stream_type == FLV_STREAM_TYPE_VIDEO) {
type = flags & 0x0F;
} else {
type = avio_r8(s->pb);