[vlc-commits] direct3d9: add a decoder device

Steve Lhomme git at videolan.org
Wed Sep 18 15:58:26 CEST 2019


vlc | branch: master | Steve Lhomme <robux4 at ycbcr.xyz> | Tue Jun 11 11:47:51 2019 +0200| [2545a0a3fd05bd32eb194d6be77b7cf5e9a69d26] | committer: Steve Lhomme

direct3d9: add a decoder device

Works with internal and external rendering.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=2545a0a3fd05bd32eb194d6be77b7cf5e9a69d26
---

 modules/hw/d3d9/Makefile.am    |   1 +
 modules/hw/d3d9/d3d9_device.c  | 126 +++++++++++++++++++++++++++++++++++++++++
 modules/hw/d3d9/d3d9_filters.c |   6 ++
 modules/hw/d3d9/d3d9_filters.h |   3 +
 4 files changed, 136 insertions(+)

diff --git a/modules/hw/d3d9/Makefile.am b/modules/hw/d3d9/Makefile.am
index 1711953e39..68f0084ab1 100644
--- a/modules/hw/d3d9/Makefile.am
+++ b/modules/hw/d3d9/Makefile.am
@@ -4,6 +4,7 @@ libdirect3d9_filters_plugin_la_SOURCES = hw/d3d9/d3d9_filters.h \
     hw/d3d9/d3d9_filters.c \
     hw/d3d9/dxva2_deinterlace.c \
     hw/d3d9/dxa9.c \
+    hw/d3d9/d3d9_device.c \
     hw/d3d9/d3d9_instance.c
 libdirect3d9_filters_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(d3d9dir)'
 libdirect3d9_filters_plugin_la_LIBADD = libchroma_copy.la libdeinterlace_common.la libd3d9_common.la $(LIBCOM)
diff --git a/modules/hw/d3d9/d3d9_device.c b/modules/hw/d3d9/d3d9_device.c
new file mode 100644
index 0000000000..cd5a2770fa
--- /dev/null
+++ b/modules/hw/d3d9/d3d9_device.c
@@ -0,0 +1,126 @@
+/*****************************************************************************
+ * d3d9_device.c : D3D9 decoder device from external IDirect3DDevice9
+ *****************************************************************************
+ * Copyright © 2019 VLC authors, VideoLAN and VideoLabs
+ *
+ * Authors: Steve Lhomme <robux4 at ycbcr.xyz>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_codec.h>
+
+#include <vlc/libvlc.h>
+#include <vlc/libvlc_picture.h>
+#include <vlc/libvlc_media.h>
+#include <vlc/libvlc_renderer_discoverer.h>
+#include <vlc/libvlc_media_player.h>
+
+#include "d3d9_filters.h"
+
+typedef struct {
+    void                                     *opaque;
+    libvlc_video_direct3d_device_cleanup_cb  cleanupDeviceCb;
+
+    d3d9_handle_t                            hd3d;
+    d3d9_decoder_device_t                    dec_device;
+} d3d9_decoder_device;
+
+static void D3D9CloseDecoderDevice(vlc_decoder_device *device)
+{
+    d3d9_decoder_device *sys = device->sys;
+
+    D3D9_Destroy( &sys->hd3d );
+
+    if ( sys->cleanupDeviceCb )
+        sys->cleanupDeviceCb( sys->opaque );
+    vlc_obj_free( VLC_OBJECT(device), sys );
+}
+static const struct vlc_decoder_device_operations d3d9_dev_ops = {
+    .close = D3D9CloseDecoderDevice,
+};
+
+int D3D9OpenDecoderDevice(vlc_decoder_device *device, vout_window_t *wnd)
+{
+    VLC_UNUSED(wnd);
+    d3d9_decoder_device *sys = vlc_obj_malloc(VLC_OBJECT(device), sizeof(*sys));
+    if (unlikely(sys==NULL))
+        return VLC_ENOMEM;
+
+    sys->cleanupDeviceCb = NULL;
+    libvlc_video_direct3d_device_setup_cb setupDeviceCb = var_InheritAddress( device, "vout-cb-setup" );
+    if ( setupDeviceCb )
+    {
+        /* external rendering */
+        libvlc_video_direct3d_device_setup_t out = { .device_context = NULL, .adapter = 0 };
+        sys->opaque          = var_InheritAddress( device, "vout-cb-opaque" );
+        sys->cleanupDeviceCb = var_InheritAddress( device, "vout-cb-cleanup" );
+        libvlc_video_direct3d_device_cfg_t cfg = {
+            .hardware_decoding = true, /* ignored anyway */
+        };
+        if (!setupDeviceCb( &sys->opaque, &cfg, &out ))
+        {
+            if ( sys->cleanupDeviceCb )
+                sys->cleanupDeviceCb( sys->opaque );
+            goto error;
+        }
+
+        D3D9_CloneExternal( &sys->hd3d, (IDirect3D9*) out.device_context );
+        sys->dec_device.adapter = out.adapter;
+    }
+    else
+    {
+        /* internal rendering */
+        if (D3D9_Create(device, &sys->hd3d) != VLC_SUCCESS)
+        {
+            msg_Err( device, "Direct3D9 could not be initialized" );
+            goto error;
+        }
+
+        d3d9_device_t tmp_d3ddev;
+        /* find the best adapter to use, not based on the HWND used */
+        HRESULT hr = D3D9_CreateDevice( device, &sys->hd3d, -1, &tmp_d3ddev );
+        if ( FAILED(hr) )
+        {
+            D3D9_Destroy( &sys->hd3d );
+            goto error;
+        }
+
+        sys->dec_device.adapter = tmp_d3ddev.adapterId;
+
+        D3D9_ReleaseDevice(&tmp_d3ddev);
+    }
+
+    sys->dec_device.device = sys->hd3d.obj;
+
+    device->ops = &d3d9_dev_ops;
+    device->opaque = &sys->dec_device;
+    device->type = VLC_DECODER_DEVICE_DXVA2;
+    device->sys = sys;
+
+    return VLC_SUCCESS;
+error:
+    vlc_obj_free( VLC_OBJECT(device), sys );
+    return VLC_EGENERIC;
+}
diff --git a/modules/hw/d3d9/d3d9_filters.c b/modules/hw/d3d9/d3d9_filters.c
index a995c61d14..f7361b9118 100644
--- a/modules/hw/d3d9/d3d9_filters.c
+++ b/modules/hw/d3d9/d3d9_filters.c
@@ -32,6 +32,7 @@
 #include <vlc_plugin.h>
 #include <vlc_filter.h>
 #include <vlc_picture.h>
+#include <vlc_codec.h>
 
 #define COBJMACROS
 #include <initguid.h>
@@ -496,4 +497,9 @@ vlc_module_begin()
     add_submodule()
     set_callbacks( D3D9OpenCPUConverter, D3D9CloseCPUConverter )
     set_capability( "video converter", 10 )
+
+    add_submodule()
+    set_description(N_("Direct3D9"))
+    set_callback_dec_device( D3D9OpenDecoderDevice, 10 )
+    add_shortcut ("d3d9-device")
 vlc_module_end()
diff --git a/modules/hw/d3d9/d3d9_filters.h b/modules/hw/d3d9/d3d9_filters.h
index ee0878bf3e..c313429b9d 100644
--- a/modules/hw/d3d9/d3d9_filters.h
+++ b/modules/hw/d3d9/d3d9_filters.h
@@ -24,6 +24,7 @@
 #define VLC_D3D9_FILTERS_H
 
 #include <vlc_common.h>
+#include <vlc_vout_display.h>
 
 #include "../../video_chroma/d3d9_fmt.h"
 
@@ -34,6 +35,8 @@ void D3D9CloseConverter(vlc_object_t *);
 int  D3D9OpenCPUConverter(vlc_object_t *);
 void D3D9CloseCPUConverter(vlc_object_t *);
 
+int D3D9OpenDecoderDevice(vlc_decoder_device *, vout_window_t *);
+
 void D3D9_FilterHoldInstance(filter_t *, d3d9_device_t *, D3DSURFACE_DESC *);
 void D3D9_FilterReleaseInstance(d3d9_device_t *);
 



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