[FFmpeg-devel] [PATCH v2 3/4] libavcodec/qsv: enabling d3d11va support, added mfxhdlpair

Artem Galin artem.galin at gmail.com
Wed Apr 22 21:29:29 EEST 2020


On Tue, 21 Apr 2020 at 11:26, Steve Lhomme <robux4 at ycbcr.xyz> wrote:

> Mostly the same remarks as for 2/4 regarding the uneeded loop and
> uninitialized handle_type, plus comments below.
>
> Answers on the same remarks in 2/4

> On 2020-04-15 15:07, artem.galin at gmail.com wrote:
> > From: Artem Galin <artem.galin at intel.com>
> >
> > Adding DX11 relevant device type checks and adjusting callbacks with
> > proper MediaSDK pair type support.
> >
> > Extending structure for proper MediaSDK pair type support.
> >
> > Signed-off-by: Artem Galin <artem.galin at intel.com>
> > ---
> >   libavcodec/qsv.c          | 52 ++++++++++++++++++++++++++++++++++++---
> >   libavcodec/qsv_internal.h |  1 +
> >   2 files changed, 49 insertions(+), 4 deletions(-)
> >
> > diff --git a/libavcodec/qsv.c b/libavcodec/qsv.c
> > index db98c75073..ceef1b7fd9 100644
> > --- a/libavcodec/qsv.c
> > +++ b/libavcodec/qsv.c
> > @@ -36,6 +36,8 @@
> >   #include "avcodec.h"
> >   #include "qsv_internal.h"
> >
> > +#define MFX_IMPL_VIA_MASK(impl) (0x0f00 & (impl))
> > +
> >   #if QSV_VERSION_ATLEAST(1, 12)
> >   #include "mfx/mfxvp8.h"
> >   #endif
> > @@ -221,8 +223,15 @@ int ff_qsv_find_surface_idx(QSVFramesContext *ctx,
> QSVFrame *frame)
> >       int i;
> >       for (i = 0; i < ctx->nb_mids; i++) {
> >           QSVMid *mid = &ctx->mids[i];
> > +#if CONFIG_VAAPI
> >           if (mid->handle == frame->surface.Data.MemId)
> >               return i;
> > +#else
> > +        mfxHDLPair *pair = (mfxHDLPair*)frame->surface.Data.MemId;
> > +        if ((mid->handle_pair.first == pair->first) &&
> > +            (mid->handle_pair.second == pair->second))
> > +            return i;
> > +#endif
> >       }
> >       return AVERROR_BUG;
> >   }
> > @@ -362,7 +371,11 @@ static int ff_qsv_set_display_handle(AVCodecContext
> *avctx, QSVSession *qs)
> >   int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
> >                                    const char *load_plugins, int
> gpu_copy)
> >   {
> > +#ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE
> >       mfxIMPL          impl = MFX_IMPL_AUTO_ANY;
> > +#else
> > +    mfxIMPL          impl = MFX_IMPL_AUTO_ANY | MFX_IMPL_VIA_D3D11;
>
> Why is this needed ? If D3D11 is available it should pick it, no ?

I can make it only if CONFIG_D3D11VA  is available.

> Does
> it mean you can favor D3D11 over D3D9 ?
>
Yes, we do favor D3D11 over D3D9
For DX11 it is essential to add this flag.
https://github.com/Intel-Media-SDK/MediaSDK/blob/master/samples/sample_multi_transcode/src/transcode_utils.cpp#L1586


> > +#endif
> >       mfxVersion        ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR }
> };
> >       mfxInitParam init_par = { MFX_IMPL_AUTO_ANY };
> >
> > @@ -449,11 +462,19 @@ static AVBufferRef *qsv_create_mids(AVBufferRef
> *hw_frames_ref)
> >           return NULL;
> >       }
> >
> > +#if CONFIG_VAAPI
> >       for (i = 0; i < nb_surfaces; i++) {
> >           QSVMid *mid = &mids[i];
> >           mid->handle        = frames_hwctx->surfaces[i].Data.MemId;
> >           mid->hw_frames_ref = hw_frames_ref1;
> >       }
> > +#else
> > +    for (i = 0; i < nb_surfaces; i++) {
> > +        QSVMid *mid = &mids[i];
> > +        mid->handle_pair   =
> *((mfxHDLPair*)frames_hwctx->surfaces[i].Data.MemId);
> > +        mid->hw_frames_ref = hw_frames_ref1;
> > +    }
> > +#endif
> >
> >       return mids_buf;
> >   }
> > @@ -628,7 +649,11 @@ static mfxStatus qsv_frame_lock(mfxHDL pthis,
> mfxMemId mid, mfxFrameData *ptr)
> >           goto fail;
> >
> >       qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info;
> > +#if CONFIG_VAAPI
> >       qsv_mid->surf.Data.MemId = qsv_mid->handle;
> > +#else
> > +    qsv_mid->surf.Data.MemId = &qsv_mid->handle_pair;
> > +#endif
> >
> >       /* map the data to the system memory */
> >       ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame,
> > @@ -661,7 +686,17 @@ static mfxStatus qsv_frame_unlock(mfxHDL pthis,
> mfxMemId mid, mfxFrameData *ptr)
> >   static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL
> *hdl)
> >   {
> >       QSVMid *qsv_mid = (QSVMid*)mid;
> > +#if CONFIG_VAAPI
> >       *hdl = qsv_mid->handle;
> > +#else
> > +    mfxHDLPair *pair_dst = (mfxHDLPair*)hdl;
> > +    mfxHDLPair *pair_src = (mfxHDLPair*)&qsv_mid->handle_pair;
> > +
> > +    pair_dst->first = pair_src->first;
> > +
> > +    if (pair_src->second != (mfxMemId)MFX_INFINITE)
> > +        pair_dst->second = pair_src->second;
> > +#endif
> >       return MFX_ERR_NONE;
> >   }
> >
> > @@ -695,11 +730,20 @@ int ff_qsv_init_session_device(AVCodecContext
> *avctx, mfxSession *psession,
> >           return ff_qsv_print_error(avctx, err,
> >                                     "Error querying the session
> attributes");
> >
> > +    if (MFX_IMPL_VIA_D3D11 == MFX_IMPL_VIA_MASK(impl)) {
> > +        handle_type = MFX_HANDLE_D3D11_DEVICE;
> > +    } else if (MFX_IMPL_VIA_D3D9 == MFX_IMPL_VIA_MASK(impl)) {
> > +        handle_type = MFX_HANDLE_D3D9_DEVICE_MANAGER;
> > +    } else if (MFX_IMPL_VIA_VAAPI == MFX_IMPL_VIA_MASK(impl)) {
> > +        handle_type = MFX_HANDLE_VA_DISPLAY;
> > +    }
> > +
> >       for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
> > -        err = MFXVideoCORE_GetHandle(parent_session, handle_types[i],
> &handle);
> > -        if (err == MFX_ERR_NONE) {
> > -            handle_type = handle_types[i];
> > -            break;
> > +        if (handle_types[i] == handle_type) {
> > +            err = MFXVideoCORE_GetHandle(parent_session,
> handle_types[i], &handle);
> > +            if (err == MFX_ERR_NONE) {
> > +                break;
> > +            }
> >           }
> >           handle = NULL;
> >       }
> > diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h
> > index 6489836a67..7a4a66e9d6 100644
> > --- a/libavcodec/qsv_internal.h
> > +++ b/libavcodec/qsv_internal.h
> > @@ -61,6 +61,7 @@
> >   typedef struct QSVMid {
> >       AVBufferRef *hw_frames_ref;
> >       mfxHDL handle;
> > +    mfxHDLPair handle_pair;
> >
> >       AVFrame *locked_frame;
> >       AVFrame *hw_frame;
> > --
> > 2.26.0
> >
> > _______________________________________________
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> >
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