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dxva: move d3d11 locking/unlocking to functions 

I want to make it non-mandatory to set a mutex in the D3D11 device
context, and replacing it with user callbacks seems like the best
solution. This is preparation for it. Also makes the code slightly more
readable.

Merges Libav commit 831cfe10b4.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
wm4 2017-06-06 18:51:10 +02:00
parent ab28108a36
commit 5659f74047
1 changed files with 28 additions and 18 deletions
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46
libavcodec/dxva2.c
View File

@ -29,6 +29,28 @@
#include "avcodec.h"
#include "dxva2_internal.h"
static void ff_dxva2_lock(AVCodecContext *avctx)
{
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx)) {
AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
}
#endif
}
static void ff_dxva2_unlock(AVCodecContext *avctx)
{
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx)) {
AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
}
#endif
}
static void *get_surface(const AVFrame *frame)
{
return frame->data[3];
@ -153,14 +175,12 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
unsigned type;
do {
ff_dxva2_lock(avctx);
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx)) {
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
if (ff_dxva2_is_d3d11(avctx))
hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
get_surface(frame),
0, NULL);
}
#endif
#if CONFIG_DXVA2
if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
@ -170,21 +190,13 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
#endif
if (hr != E_PENDING || ++runs > 50)
break;
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx))
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
#endif
ff_dxva2_unlock(avctx);
av_usleep(2000);
} while(1);
if (FAILED(hr)) {
av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", hr);
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx))
if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
#endif
ff_dxva2_unlock(avctx);
return -1;
}
@ -284,16 +296,14 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
end:
#if CONFIG_D3D11VA
if (ff_dxva2_is_d3d11(avctx)) {
if (ff_dxva2_is_d3d11(avctx))
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)
hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
#endif
ff_dxva2_unlock(avctx);
if (FAILED(hr)) {
av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", hr);
result = -1;