On Fri, Jun 14, 2019 at 07:43:46AM -0700, Amir Pauker wrote:
> set AVFrame decode_error_flags to FF_DECODE_ERROR_CONCEALMENT_ACTIVE in case
> h->slice_ctx->er.error_occurred is set after the call to
> ff_h264_execute_decode_slices.
> This allows the user to detect concealed decoding errors in the call to
> avcodec_receive_frame
>
> Signed-off-by: Amir Pauker <a...@livelyvideo.tv>
> ---
> libavcodec/h264dec.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c
> index 837c3b7..98b7d79 100644
> --- a/libavcodec/h264dec.c
> +++ b/libavcodec/h264dec.c
> @@ -761,6 +761,11 @@ static int decode_nal_units(H264Context *h, const
> uint8_t *buf, int buf_size)
> if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
> goto end;
>
> + // set decode_error_flags to allow users to detect concealed decoding
> errors
> + if ((ret < 0 || h->slice_ctx->er.error_occurred) && h->cur_pic_ptr) {
> + h->cur_pic_ptr->f->decode_error_flags |=
> FF_DECODE_ERROR_CONCEALMENT_ACTIVE;
> + }
> +it would be more robust to set the flag around where the "concealing %d DC, %d AC, %d MV errors in %c frame\" message is printed That is when concealing actually happens thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Avoid a single point of failure, be that a person or equipment.
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