On Wed, Jan 16, 2019 at 9:55 AM Zhong Li wrote:
> Signed-off-by: Zhong Li
> ---
> libavfilter/vf_scale_qsv.c | 36 +++-
> 1 file changed, 31 insertions(+), 5 deletions(-)
>
> diff --git a/libavfilter/vf_scale_qsv.c b/libavfilter/vf_scale_qsv.c
> index 7d593b2..f9f708e 100644
> --- a/libavfilter/vf_scale_qsv.c
> +++ b/libavfilter/vf_scale_qsv.c
> @@ -69,6 +69,8 @@ enum var_name {
> VARS_NB
> };
>
> +#define QSV_HAVE_SCALING_CONFIG QSV_VERSION_ATLEAST(1, 19)
> +
> typedef struct QSVScaleContext {
> const AVClass *class;
>
> @@ -88,7 +90,14 @@ typedef struct QSVScaleContext {
> int nb_surface_ptrs_out;
>
> mfxExtOpaqueSurfaceAlloc opaque_alloc;
> -mfxExtBuffer*ext_buffers[1];
> +
> +#if QSV_HAVE_SCALING_CONFIG
> +mfxExtVPPScaling scale_conf;
> +#endif
> +int mode;
> +
> +mfxExtBuffer *ext_buffers[1 + QSV_HAVE_SCALING_CONFIG];
> +int num_ext_buf;
>
> int shift_width, shift_height;
>
> @@ -285,6 +294,8 @@ static int init_out_session(AVFilterContext *ctx)
> mfxStatus err;
> int i;
>
> +s->num_ext_buf = 0;
> +
> /* extract the properties of the "master" session given to us */
> err = MFXQueryIMPL(device_hwctx->session, &impl);
> if (err == MFX_ERR_NONE)
> @@ -357,10 +368,7 @@ static int init_out_session(AVFilterContext *ctx)
> s->opaque_alloc.Header.BufferId =
> MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
> s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
>
> -s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
> -
> -par.ExtParam= s->ext_buffers;
> -par.NumExtParam = FF_ARRAY_ELEMS(s->ext_buffers);
> +s->ext_buffers[s->num_ext_buf++] =
> (mfxExtBuffer*)&s->opaque_alloc;
>
> par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY |
> MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
> } else {
> @@ -396,6 +404,18 @@ static int init_out_session(AVFilterContext *ctx)
> par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY |
> MFX_IOPATTERN_OUT_VIDEO_MEMORY;
> }
>
> +#if QSV_HAVE_SCALING_CONFIG
> +memset(&s->scale_conf, 0, sizeof(mfxExtVPPScaling));
> +s->scale_conf.Header.BufferId = MFX_EXTBUFF_VPP_SCALING;
> +s->scale_conf.Header.BufferSz = sizeof(mfxExtVPPScaling);
> +s->scale_conf.ScalingMode = s->mode;
> +s->ext_buffers[s->num_ext_buf++] = (mfxExtBuffer*)&s->scale_conf;
> +av_log(ctx, AV_LOG_VERBOSE, "Scaling mode: %"PRIu16"\n", s->mode);
> +#endif
> +
> +par.ExtParam= s->ext_buffers;
> +par.NumExtParam = s->num_ext_buf;
> +
> par.AsyncDepth = 1;// TODO async
>
> par.vpp.In = in_frames_hwctx->surfaces[0].Info;
> @@ -595,6 +615,12 @@ static const AVOption options[] = {
> { "h", "Output video height", OFFSET(h_expr),
> AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
> { "format", "Output pixel format", OFFSET(format_str),
> AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
>
> +#if QSV_HAVE_SCALING_CONFIG
> +{ "mode", "set scaling mode",OFFSET(mode),
> AV_OPT_TYPE_INT,{ .i64 = MFX_SCALING_MODE_DEFAULT},
> MFX_SCALING_MODE_DEFAULT, MFX_SCALING_MODE_QUALITY, FLAGS, "mode"},
> +{ "low_power", "low power mode",0,
> AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_LOWPOWER}, INT_MIN, INT_MAX,
> FLAGS, "mode"},
> +{ "hq","high quality mode", 0,
> AV_OPT_TYPE_CONST, { .i64 = MFX_SCALING_MODE_QUALITY}, INT_MIN, INT_MAX,
> FLAGS, "mode"},
> +#endif
> +
> { NULL },
> };
>
> --
> 2.7.4
>
> ___
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> ffmpeg-devel@ffmpeg.org
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seems to be quiet straight forward and simple.
regards
Max Dm
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