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avformat/mpegtsenc: check that not only first pts but also first dts is valid 

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-10-29 09:24:29 +08:00
parent 27e8a6c44b
commit be4ff0f1b2
1 changed files with 4 additions and 4 deletions
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8
libavformat/mpegtsenc.c
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@ -232,7 +232,7 @@ typedef struct MpegTSWriteStream {
int cc;
int discontinuity;
int payload_size;
int first_pts_checked; ///< first pts check needed
int first_timestamp_checked; ///< first pts/dts check needed
int prev_payload_key;
int64_t payload_pts;
int64_t payload_dts;
@ -1699,11 +1699,11 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
dts += delay;
}
if (!ts_st->first_pts_checked && pts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR, "first pts value must be set\n");
if (!ts_st->first_timestamp_checked && (pts == AV_NOPTS_VALUE || dts == AV_NOPTS_VALUE)) {
av_log(s, AV_LOG_ERROR, "first pts and dts value must be set\n");
return AVERROR_INVALIDDATA;
}
ts_st->first_pts_checked = 1;
ts_st->first_timestamp_checked = 1;
if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
const uint8_t *p = buf, *buf_end = p + size;