> On Oct 8, 2023, at 21:17, Zhao Zhili <quinkbl...@foxmail.com> wrote:
> 
> From: Zhao Zhili <zhiliz...@tencent.com>
> 
> The last frame is corrupted. It has different results on different
> platform.
> ---
> tests/fate/screen.mak    | 3 ++-
> tests/ref/fate/zmbv-8bit | 1 -
> 2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/fate/screen.mak b/tests/fate/screen.mak
> index bd6d228544..1c92935d23 100644
> --- a/tests/fate/screen.mak
> +++ b/tests/fate/screen.mak
> @@ -117,7 +117,8 @@ FATE_SCREEN += $(FATE_VMNC-yes)
> fate-vmnc: $(FATE_VMNC-yes)
> 
> FATE_ZMBV += fate-zmbv-8bit
> -fate-zmbv-8bit: CMD = framecrc -i $(TARGET_SAMPLES)/zmbv/wc2_001-partial.avi 
> -an -pix_fmt rgb24 -vf scale
> +# The last frame is corrupted.
> +fate-zmbv-8bit: CMD = framecrc -i $(TARGET_SAMPLES)/zmbv/wc2_001-partial.avi 
> -an -frames:v 275 -pix_fmt rgb24 -vf scale
> 
> FATE_ZMBV += fate-zmbv-15bit
> fate-zmbv-15bit: CMD = framecrc -i $(TARGET_SAMPLES)/zmbv/zmbv_15bit.avi 
> -pix_fmt rgb24 -t 25 -vf scale
> diff --git a/tests/ref/fate/zmbv-8bit b/tests/ref/fate/zmbv-8bit
> index 7c2fab691f..9a7c96cb32 100644
> --- a/tests/ref/fate/zmbv-8bit
> +++ b/tests/ref/fate/zmbv-8bit
> @@ -278,4 +278,3 @@
> 0,        272,        272,        1,   192000, 0xd08e49d1
> 0,        273,        273,        1,   192000, 0xd08e49d1
> 0,        274,        274,        1,   192000, 0xd08e49d1
> -0,        275,        275,        1,   192000, 0x1f34135f
> -- 
> 2.42.0

Another method is drop the corrupted frame by decoder. It sounds better, but 
I’m afraid it may break some use cases.

https://ffmpeg.org/pipermail/ffmpeg-devel/2023-October/315557.html


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