diff options
Diffstat (limited to 'libavcodec/h264_mp4toannexb_bsf.c')
| -rw-r--r-- | libavcodec/h264_mp4toannexb_bsf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c index a7b4f41..a003a1d 100644 --- a/libavcodec/h264_mp4toannexb_bsf.c +++ b/libavcodec/h264_mp4toannexb_bsf.c @@ -179,6 +179,11 @@ static int h264_mp4toannexb_filter(AVBitStreamFilterContext *bsfc, if (ctx->first_idr && (unit_type == 7 || unit_type == 8)) ctx->idr_sps_pps_seen = 1; + /* if this is a new IDR picture following an IDR picture, reset the idr flag. + * Just check first_mb_in_slice to be 0 as this is the simplest solution. + * This could be checking idr_pic_id instead, but would complexify the parsing. */ + if (!ctx->first_idr && unit_type == 5 && (buf[1] & 0x80)) + ctx->first_idr = 1; /* prepend only to the first type 5 NAL unit of an IDR picture, if no sps/pps are already present */ if (ctx->first_idr && unit_type == 5 && !ctx->idr_sps_pps_seen) { |
