diff options
| -rw-r--r-- | libavcodec/h264_mp4toannexb_bsf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libavcodec/h264_mp4toannexb_bsf.c b/libavcodec/h264_mp4toannexb_bsf.c index 828bf18..163d0f5 100644 --- a/libavcodec/h264_mp4toannexb_bsf.c +++ b/libavcodec/h264_mp4toannexb_bsf.c @@ -140,10 +140,16 @@ pps: static int h264_mp4toannexb_init(AVBSFContext *ctx) { H264BSFContext *s = ctx->priv_data; + int extra_size = ctx->par_in->extradata_size; int ret; /* retrieve sps and pps NAL units from extradata */ - if (ctx->par_in->extradata_size >= 6) { + if (!extra_size || + (extra_size >= 3 && AV_RB24(ctx->par_in->extradata) == 1) || + (extra_size >= 4 && AV_RB32(ctx->par_in->extradata) == 1)) { + av_log(ctx, AV_LOG_VERBOSE, + "The input looks like it is Annex B already\n"); + } else if (extra_size >= 6) { ret = h264_extradata_to_annexb(ctx, AV_INPUT_BUFFER_PADDING_SIZE); if (ret < 0) return ret; @@ -153,6 +159,9 @@ static int h264_mp4toannexb_init(AVBSFContext *ctx) s->idr_sps_seen = 0; s->idr_pps_seen = 0; s->extradata_parsed = 1; + } else { + av_log(ctx, AV_LOG_ERROR, "Invalid extradata size: %d\n", extra_size); + return AVERROR_INVALIDDATA; } return 0; |
