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

doc/APIchanges +4 −0
libavcodec/Makefile +1 −1
libavcodec/d3d11va.c +33 −0
libavcodec/d3d11va.h +16 −2
libavcodec/dxva2.c +13 −2
libavcodec/version.h +1 −1

@@ -13,6 +13,10 @@ libavutil: 2015-08-28 · 12 unmodified lines
13	13
14	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	20	2015-xx-xx - lavu 55.0.0
17	21	xxxxxxx - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.
18	22	xxxxxxx - Change type of AVComponentDescriptor fields from uint16_t to int

libavcodec/Makefile+1−1

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

libavcodec/d3d11va.c+33−0

@@ -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	+}

libavcodec/d3d11va.h+16−2

@@ -53,8 +53,10 @@ · 52 unmodified lines
53	53	* to the Direct3D11 Libav HWAccel implementation.
54	54	*
55	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	61	* D3D11 decoder object
60	62	*/
@@ -89,7 +91,19 @@ struct AVD3D11VAContext { · 28 unmodified lines
89	91	* Private to the Libav AVHWAccel implementation
90	92	*/
91	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	* @}

libavcodec/dxva2.c+13−2

@@ -144,10 +144,13 @@ int ff_dxva2_common_end_frame(AVCodecContext avctx, AVFrame frame, · 143 unmodified lines
144	144
145	145	do {
146	146	#if CONFIG_D3D11VA
147		− if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
	147	+ if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
	148	+ if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
	149	+ WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
148	150	hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
149	151	ff_dxva2_get_surface(frame),
150	152	0, NULL);
	153	+ }
151	154	#endif
152	155	#if CONFIG_DXVA2
153	156	if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
@@ -161,6 +164,11 @@ int ff_dxva2_common_end_frame(AVCodecContext avctx, AVFrame frame, · 7 unmodified lines
161	164
162	165	if (FAILED(hr)) {
163	166	av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%lx\n", hr);
	167	+#if CONFIG_D3D11VA
	168	+ if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
	169	+ if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
	170	+ ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
	171	+#endif
164	172	return -1;
165	173	}
166	174
@@ -260,8 +268,11 @@ int ff_dxva2_common_end_frame(AVCodecContext avctx, AVFrame frame, · 93 unmodified lines
260	268
261	269	end:
262	270	#if CONFIG_D3D11VA
263		− if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD)
	271	+ if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
264	272	hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
	273	+ if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
	274	+ ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
	275	+ }
265	276	#endif
266	277	#if CONFIG_DXVA2
267	278	if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)

libavcodec/version.h+1−1

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

d3d11va: WindowsPhone requires a mutex around ID3D11VideoContext

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