[vlc-devel] [PATCH 3/5] direct3d9: add support for direct rendering from the DXVA2 decoder
Steve Lhomme
robux4 at gmail.com
Mon Jun 1 15:58:06 CEST 2015
---
modules/video_output/msw/direct3d9.c | 110 ++++++++++++++++++++++++++++-------
1 file changed, 89 insertions(+), 21 deletions(-)
diff --git a/modules/video_output/msw/direct3d9.c b/modules/video_output/msw/direct3d9.c
index db96275..9b59fac 100644
--- a/modules/video_output/msw/direct3d9.c
+++ b/modules/video_output/msw/direct3d9.c
@@ -202,10 +202,10 @@ static int Open(vlc_object_t *object)
/* */
vout_display_info_t info = vd->info;
- info.is_slow = true;
+ info.is_slow = fmt.i_chroma != VLC_CODEC_D3D9_OPAQUE;
info.has_double_click = true;
info.has_hide_mouse = false;
- info.has_pictures_invalid = true;
+ info.has_pictures_invalid = fmt.i_chroma != VLC_CODEC_D3D9_OPAQUE;
info.has_event_thread = true;
if (var_InheritBool(vd, "direct3d9-hw-blending") &&
sys->d3dregion_format != D3DFMT_UNKNOWN &&
@@ -271,10 +271,77 @@ static void Close(vlc_object_t *object)
free(vd->sys);
}
+static void DestroyPicture(picture_t *picture)
+{
+ LPDIRECT3DDEVICE9 d3ddev;
+ if (!FAILED(IDirect3DSurface9_GetDevice(picture->p_sys->surface, &d3ddev)))
+ IDirect3DDevice9_Release(d3ddev);
+
+ IDirect3DSurface9_Release(picture->p_sys->surface);
+
+ free(picture->p_sys);
+ free(picture);
+}
+
/* */
static picture_pool_t *Pool(vout_display_t *vd, unsigned count)
{
- VLC_UNUSED(count);
+ if ( vd->sys->pool != NULL )
+ return vd->sys->pool;
+
+ picture_t** pictures = NULL;
+ unsigned picture_count = 0;
+
+ pictures = calloc(count, sizeof(*pictures));
+ if (!pictures)
+ goto error;
+ for (picture_count = 0; picture_count < count; ++picture_count)
+ {
+ picture_sys_t *picsys = malloc(sizeof(*picsys));
+ if (unlikely(picsys == NULL))
+ goto error;
+
+ HRESULT hr = IDirect3DDevice9_CreateOffscreenPlainSurface(vd->sys->d3ddev,
+ vd->fmt.i_visible_width,
+ vd->fmt.i_visible_height,
+ MAKEFOURCC('N','V','1','2'),
+ D3DPOOL_DEFAULT,
+ &picsys->surface,
+ NULL);
+ if (FAILED(hr)) {
+ msg_Err(vd, "Failed to allocate surface %d (hr=0x%0lx)", picture_count, hr);
+ goto error;
+ }
+
+ picture_resource_t resource = {
+ .p_sys = picsys,
+ .pf_destroy = DestroyPicture,
+ };
+
+ picture_t *picture = picture_NewFromResource(&vd->fmt, &resource);
+ if (unlikely(picture == NULL)) {
+ free(picsys);
+ goto error;
+ }
+
+ pictures[picture_count] = picture;
+ /* each picture_t holds a ref to the device and release it on Destroy */
+ IDirect3DDevice9_AddRef(vd->sys->d3ddev);
+ }
+
+ picture_pool_configuration_t pool_cfg;
+ memset(&pool_cfg, 0, sizeof(pool_cfg));
+ pool_cfg.picture_count = count;
+ pool_cfg.picture = pictures;
+
+ vd->sys->pool = picture_pool_NewExtended( &pool_cfg );
+
+error:
+ if (vd->sys->pool == NULL && pictures) {
+ for (unsigned i=0;i<picture_count; ++i)
+ DestroyPicture(pictures[i]);
+ free(pictures);
+ }
return vd->sys->pool;
}
@@ -285,19 +352,14 @@ static void Prepare(vout_display_t *vd, picture_t *picture, subpicture_t *subpic
{
vout_display_sys_t *sys = vd->sys;
LPDIRECT3DSURFACE9 surface = picture->p_sys->surface;
-#if 0
- picture_Release(picture);
- VLC_UNUSED(subpicture);
-#else
+
/* FIXME it is a bit ugly, we need the surface to be unlocked for
* rendering.
* The clean way would be to release the picture (and ensure that
* the vout doesn't keep a reference). But because of the vout
* wrapper, we can't */
-
- Direct3D9UnlockSurface(picture);
- VLC_UNUSED(subpicture);
-#endif
+ if ( picture->format.i_chroma != VLC_CODEC_D3D9_OPAQUE )
+ Direct3D9UnlockSurface(picture);
/* check if device is still available */
HRESULT hr = IDirect3DDevice9_TestCooperativeLevel(sys->d3ddev);
@@ -354,14 +416,10 @@ static void Display(vout_display_t *vd, picture_t *picture, subpicture_t *subpic
msg_Dbg(vd, "Failed IDirect3DDevice9_Present: 0x%0lx", hr);
}
-#if 0
- VLC_UNUSED(picture);
- VLC_UNUSED(subpicture);
-#else
/* XXX See Prepare() */
- Direct3D9LockSurface(picture);
+ if ( picture->format.i_chroma != VLC_CODEC_D3D9_OPAQUE )
+ Direct3D9LockSurface(picture);
picture_Release(picture);
-#endif
if (subpicture)
subpicture_Delete(subpicture);
@@ -860,6 +918,7 @@ static const d3d_format_t d3d_formats[] = {
{ "YV12", MAKEFOURCC('Y','V','1','2'), VLC_CODEC_I420, 0,0,0 },
{ "YV12", MAKEFOURCC('Y','V','1','2'), VLC_CODEC_J420, 0,0,0 },
{ "NV12", MAKEFOURCC('N','V','1','2'), VLC_CODEC_NV12, 0,0,0 },
+ { "DXA9", MAKEFOURCC('N','V','1','2'), VLC_CODEC_D3D9_OPAQUE, 0,0,0 },
{ "UYVY", D3DFMT_UYVY, VLC_CODEC_UYVY, 0,0,0 },
{ "YUY2", D3DFMT_YUY2, VLC_CODEC_YUYV, 0,0,0 },
{ "X8R8G8B8", D3DFMT_X8R8G8B8,VLC_CODEC_RGB32, 0xff0000, 0x00ff00, 0x0000ff },
@@ -879,8 +938,11 @@ static const d3d_format_t *Direct3DFindFormat(vout_display_t *vd, vlc_fourcc_t c
for (unsigned pass = 0; pass < 2; pass++) {
const vlc_fourcc_t *list;
+ const vlc_fourcc_t dxva_chroma[] = {chroma, 0};
- if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
+ if (pass == 0 && chroma == VLC_CODEC_D3D9_OPAQUE)
+ list = dxva_chroma;
+ else if (pass == 0 && sys->allow_hw_yuv && vlc_fourcc_IsYUV(chroma))
list = vlc_fourcc_GetYUVFallback(chroma);
else if (pass == 1)
list = vlc_fourcc_GetRGBFallback(chroma);
@@ -966,6 +1028,10 @@ static int Direct3D9CreatePool(vout_display_t *vd, video_format_t *fmt)
fmt->i_gmask = d3dfmt->gmask;
fmt->i_bmask = d3dfmt->bmask;
+ if ( fmt->i_chroma == VLC_CODEC_D3D9_OPAQUE )
+ /* a DXA9 pool will be created when needed */
+ return VLC_SUCCESS;
+
/* We create one picture.
* It is useless to create more as we can't be used for direct rendering */
@@ -1038,9 +1104,11 @@ static void Direct3D9DestroyPool(vout_display_t *vd)
if (sys->pool) {
picture_sys_t *picsys = sys->picsys;
- IDirect3DSurface9_Release(picsys->surface);
- if (picsys->fallback)
- picture_Release(picsys->fallback);
+ if ( picsys != NULL ) {
+ IDirect3DSurface9_Release(picsys->surface);
+ if (picsys->fallback)
+ picture_Release(picsys->fallback);
+ }
picture_pool_Release(sys->pool);
}
sys->pool = NULL;
--
2.4.0
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