RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-12-24 00:02:52 +00:00
Code Issues Projects Releases Wiki Activity

d3d11va: WindowsPhone requires a mutex around ID3D11VideoContext

Browse Source
This commit is contained in:
Steve Lhomme 2015-09-16 13:27:42 +02:00 committed by Vittorio Giovara
parent 781a25e9c4
commit e3d4784eb3
6 changed files with 68 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
doc/APIchanges
View File

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

2
libavcodec/Makefile
View File

@ -581,7 +581,7 @@ OBJS-$(CONFIG_ADPCM_YAMAHA_DECODER) += adpcm.o adpcm_data.o
OBJS-$(CONFIG_ADPCM_YAMAHA_ENCODER) += adpcmenc.o adpcm_data.o
# hardware accelerators
OBJS-$(CONFIG_D3D11VA) += dxva2.o
OBJS-$(CONFIG_D3D11VA) += d3d11va.o dxva2.o
OBJS-$(CONFIG_DXVA2) += dxva2.o
OBJS-$(CONFIG_VAAPI) += vaapi.o
OBJS-$(CONFIG_VDA) += vda.o

33
libavcodec/d3d11va.c Normal file
View File

@ -0,0 +1,33 @@
/*
* Direct3D11 HW acceleration
*
* copyright (c) 2015 Steve Lhomme
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/mem.h"
#include "d3d11va.h"
AVD3D11VAContext *av_d3d11va_alloc_context(void)
{
AVD3D11VAContext* res = av_mallocz(sizeof(AVD3D11VAContext));
res->context_mutex = INVALID_HANDLE_VALUE;
return res;
}

18
libavcodec/d3d11va.h
View File

@ -53,8 +53,10 @@
* to the Direct3D11 Libav HWAccel implementation.
*
* The application must make it available as AVCodecContext.hwaccel_context.
*
* Use av_d3d11va_alloc_context() exclusively to allocate an AVD3D11VAContext.
*/
struct AVD3D11VAContext {
typedef struct AVD3D11VAContext {
/**
* D3D11 decoder object
*/
@ -89,7 +91,19 @@ struct AVD3D11VAContext {
* Private to the Libav AVHWAccel implementation
*/
unsigned report_id;
};
/**
* Mutex to access video_context
*/
HANDLE context_mutex;
} AVD3D11VAContext;
/**
* Allocate an AVD3D11VAContext.
*
* @return Newly-allocated AVD3D11VAContext or NULL on failure.
*/
AVD3D11VAContext *av_d3d11va_alloc_context(void);
/**
* @}

15
libavcodec/dxva2.c
View File

@ -144,10 +144,13 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
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)
@ -161,6 +164,11 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
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;
}
@ -260,8 +268,11 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
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)

2
libavcodec/version.h
View File

@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 1
#define LIBAVCODEC_VERSION_MINOR 2
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \