[FFmpeg-devel] [PATCH] lavc/qsvdec: hw device should be set

[wm4]

On Fri, 29 Dec 2017 15:06:09 +0800
Zhong Li <zhong.li at intel.com> wrote:

> Add the flag "AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX" to indicate
> AVCodecContext.hw_device_ctx should be set before calling
> avcodec_open2() for qsv decoding.
> It is consistent with examples/qsvdec.c.
> 
> It also can make function "hw_device_match_by_codec()" can find qsv
> device successfully.
> 
> Signed-off-by: Zhong Li <zhong.li at intel.com>
> ---
>  libavcodec/qsvdec.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
> index 55fe59b..ff1dcf1 100644
> --- a/libavcodec/qsvdec.c
> +++ b/libavcodec/qsvdec.c
> @@ -45,7 +45,8 @@ const AVCodecHWConfigInternal *ff_qsv_hw_configs[] = {
>      &(const AVCodecHWConfigInternal) {
>          .public = {
>              .pix_fmt     = AV_PIX_FMT_QSV,
> -            .methods     = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
> +            .methods     = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX |
> +                           AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
>                             AV_CODEC_HW_CONFIG_METHOD_AD_HOC,
>              .device_type = AV_HWDEVICE_TYPE_QSV,
>          },

I guess that's correct. It also looks like it supports the INTERNAL
method? (Not sure.)