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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.

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
wm4 2017-06-06 18:51:10 +02:00 committed by Diego Biurrun
parent 4dec101acc
commit 831cfe10b4
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;