d3d11va: WindowsPhone requires a mutex around ID3D11VideoContext

Steve Lhomme committed 11 years ago

Commit e3d47841 parent 781a25e6 files · +68 −6Browse files

Unified · Split

6 files

@@ -13,6 +13,10 @@ libavutil: 2015-08-28 · 12 unmodified lines
13		13
14	API changes, most recent first:	14	API changes, most recent first:
15		15
		16	2015-xx-xx - xxxxxxx - lavc 57.2.0 - d3d11va.h
		17	Add av_d3d11va_alloc_context(). This function must from now on be used for
		18	allocating AVD3D11VAContext.
		19
16	2015-xx-xx - lavu 55.0.0	20	2015-xx-xx - lavu 55.0.0
17	xxxxxxx - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.	21	xxxxxxx - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.
18	xxxxxxx - Change type of AVComponentDescriptor fields from uint16_t to int	22	xxxxxxx - Change type of AVComponentDescriptor fields from uint16_t to int

@@ -581,7 +581,7 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_DECODER) += adpcm.o adpcm_data.o · 580 unmodified lines
581	OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER) += adpcmenc.o adpcm_data.o	581	OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER) += adpcmenc.o adpcm_data.o
582		582
583	# hardware accelerators	583	# hardware accelerators
584	OBJS-$(CONFIG_D3D11VA) += dxva2.o	584	OBJS-$(CONFIG_D3D11VA) += d3d11va.o dxva2.o
585	OBJS-$(CONFIG_DXVA2) += dxva2.o	585	OBJS-$(CONFIG_DXVA2) += dxva2.o
586	OBJS-$(CONFIG_VAAPI) += vaapi.o	586	OBJS-$(CONFIG_VAAPI) += vaapi.o
587	OBJS-$(CONFIG_VDA) += vda.o	587	OBJS-$(CONFIG_VDA) += vda.o

@@ -0,0 +1,33 @@
	1	/*
	2	* Direct3D11 HW acceleration
	3	*
	4	* copyright (c) 2015 Steve Lhomme
	5	*
	6	* This file is part of Libav.
	7	*
	8	* Libav is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU Lesser General Public
	10	* License as published by the Free Software Foundation; either
	11	* version 2.1 of the License, or (at your option) any later version.
	12	*
	13	* Libav is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	16	* Lesser General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU Lesser General Public
	19	* License along with Libav; if not, write to the Free Software
	20	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	21	*/
	22
	23	#include "config.h"
	24	#include "libavutil/mem.h"
	25
	26	#include "d3d11va.h"
	27
	28	AVD3D11VAContext *av_d3d11va_alloc_context(void)
	29	{
	30	AVD3D11VAContext* res = av_mallocz(sizeof(AVD3D11VAContext));
	31	res->context_mutex = INVALID_HANDLE_VALUE;
	32	return res;
	33	}

@@ -53,8 +53,10 @@ · 52 unmodified lines
53	* to the Direct3D11 Libav HWAccel implementation.	53	* to the Direct3D11 Libav HWAccel implementation.
54	*	54	*
55	* The application must make it available as AVCodecContext.hwaccel_context.	55	* The application must make it available as AVCodecContext.hwaccel_context.
		56	*
		57	* Use av_d3d11va_alloc_context() exclusively to allocate an AVD3D11VAContext.
56	*/	58	*/
57	struct AVD3D11VAContext {	59	typedef struct AVD3D11VAContext {
58	/**	60	/**
59	* D3D11 decoder object	61	* D3D11 decoder object
60	*/	62	*/
@@ -89,7 +91,19 @@ struct AVD3D11VAContext { · 28 unmodified lines
89	* Private to the Libav AVHWAccel implementation	91	* Private to the Libav AVHWAccel implementation
90	*/	92	*/
91	unsigned report_id;	93	unsigned report_id;
92	};	94
		95	/**
		96	* Mutex to access video_context
		97	*/
		98	HANDLE context_mutex;
		99	} AVD3D11VAContext;
		100
		101	/**
		102	* Allocate an AVD3D11VAContext.
		103	*
		104	* @return Newly-allocated AVD3D11VAContext or NULL on failure.
		105	*/
		106	AVD3D11VAContext *av_d3d11va_alloc_context(void);
93		107
94	/**	108	/**
95	* @}	109	* @}

     do {
 #if CONFIG_D3D11VA
-        if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
+        if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
+            if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
+                WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
             hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
                                                       ff_dxva2_get_surface(frame),
                                                       0, NULL);
+        }
 #endif
 #if CONFIG_DXVA2
         if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
     if (FAILED(hr)) {
         av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%lx\n", hr);
+#if CONFIG_D3D11VA
+        if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
+            if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
+                ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
+#endif
         return -1;
     }
 end:
 #if CONFIG_D3D11VA
-    if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
+    if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
         hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
+        if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
+            ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
+    }
 #endif
 #if CONFIG_DXVA2
     if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)

@@ -29,7 +29,7 @@ · 28 unmodified lines
29	#include "libavutil/version.h"	29	#include "libavutil/version.h"
30		30
31	#define LIBAVCODEC_VERSION_MAJOR 57	31	#define LIBAVCODEC_VERSION_MAJOR 57
32	#define LIBAVCODEC_VERSION_MINOR 1	32	#define LIBAVCODEC_VERSION_MINOR 2
33	#define LIBAVCODEC_VERSION_MICRO 0	33	#define LIBAVCODEC_VERSION_MICRO 0
34		34
35	#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \	35	#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

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