mirror of https://git.ffmpeg.org/ffmpeg.git
h264: tighten the valid range for ref_frame_count
This field (which the spec calls max_num_ref_frames) must be less than or equal to MaxDpbFrames, which is at most 16.
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@ -431,8 +431,7 @@ int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
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}
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sps->ref_frame_count = get_ue_golomb_31(gb);
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if (sps->ref_frame_count > H264_MAX_PICTURE_COUNT - 2 ||
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sps->ref_frame_count >= 32U) {
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if (sps->ref_frame_count > MAX_DELAYED_PIC_COUNT) {
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av_log(avctx, AV_LOG_ERROR,
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"too many reference frames %d\n", sps->ref_frame_count);
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goto fail;
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