[FFmpeg-devel] [PATCH v5 3/9] libavutil/hwcontext_d3d11va: adding the vendor option to d3d11va device creation

[Zhong Li]

<artem.galin at gmail.com> 于2020年5月19日周二 上午2:56写道：
>
> From: Artem Galin <artem.galin at intel.com>
>
> Example: --init_hw_device d3d11va:,vendor=0x8086
>
> qsv_device option is still works and has higher priority over vendor
> option.

Would be nice if you can document it in ffmpeg.texi.

> Signed-off-by: Artem Galin <artem.galin at intel.com
> ---
>  libavutil/hwcontext_d3d11va.c | 39 +++++++++++++++++++++++++++++++++--
>  1 file changed, 37 insertions(+), 2 deletions(-)
>
> diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c
> index c8ae58f908..b644a0a4fd 100644
> --- a/libavutil/hwcontext_d3d11va.c
> +++ b/libavutil/hwcontext_d3d11va.c
> @@ -517,9 +517,12 @@ static int d3d11va_device_create(AVHWDeviceContext *ctx, const char *device,
>      AVD3D11VADeviceContext *device_hwctx = ctx->hwctx;
>
>      HRESULT hr;
> +    AVDictionaryEntry *e;
>      IDXGIAdapter           *pAdapter = NULL;
>      ID3D10Multithread      *pMultithread;
>      UINT creationFlags = D3D11_CREATE_DEVICE_VIDEO_SUPPORT;
> +    int adapter = -1;
> +    long int vendor_id = -1;

if you want 64bits, long long int or int64_t  can make sure that.

>      int is_debug       = !!av_dict_get(opts, "debug", NULL, 0);
>      int ret;
>
> @@ -539,13 +542,45 @@ static int d3d11va_device_create(AVHWDeviceContext *ctx, const char *device,
>          return AVERROR_UNKNOWN;
>      }
>
> +    e = av_dict_get(opts, "vendor", NULL, 0);
> +    if (e) {
> +        vendor_id = strtol(e->value, NULL, 0);
> +    }