In d3d11va_create_staging_texture(), during the hwmap process, the ctx->internal->priv is not initialized, resulting in the texDesc.Format not initialized. Now pass the format value from d3d11va_transfer_data() to fix it.
$ ffmpeg.exe -y -hwaccel qsv -init_hw_device d3d11va=d3d11 \ -init_hw_device qsv=qsv@d3d11 -c:v h264_qsv \ -i input.h264 -vf "hwmap=derive_device=d3d11va,format=d3d11,hwdownload,format=nv12" \ -f null - Signed-off-by: Tong Wu <tong1...@intel.com> --- libavutil/hwcontext_d3d11va.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c index 2b4e24bb56..bb4e9d6965 100644 --- a/libavutil/hwcontext_d3d11va.c +++ b/libavutil/hwcontext_d3d11va.c @@ -346,7 +346,7 @@ static int d3d11va_transfer_get_formats(AVHWFramesContext *ctx, return 0; } -static int d3d11va_create_staging_texture(AVHWFramesContext *ctx) +static int d3d11va_create_staging_texture(AVHWFramesContext *ctx, DXGI_FORMAT format) { AVD3D11VADeviceContext *device_hwctx = ctx->device_ctx->hwctx; D3D11VAFramesContext *s = ctx->internal->priv; @@ -355,7 +355,7 @@ static int d3d11va_create_staging_texture(AVHWFramesContext *ctx) .Width = ctx->width, .Height = ctx->height, .MipLevels = 1, - .Format = s->format, + .Format = format, .SampleDesc = { .Count = 1 }, .ArraySize = 1, .Usage = D3D11_USAGE_STAGING, @@ -411,7 +411,8 @@ static int d3d11va_transfer_data(AVHWFramesContext *ctx, AVFrame *dst, device_hwctx->lock(device_hwctx->lock_ctx); if (!s->staging_texture) { - int res = d3d11va_create_staging_texture(ctx); + ID3D11Texture2D_GetDesc((ID3D11Texture2D *)texture, &desc); + int res = d3d11va_create_staging_texture(ctx, desc.Format); if (res < 0) return res; } -- 2.35.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".