From 99cf943339a2e5171863c48cd1a73dd43dc243e1 Mon Sep 17 00:00:00 2001 From: Steve Lhomme Date: Wed, 15 Jun 2016 09:25:19 +0200 Subject: d3d11va: don't keep the context lock while waiting for a frame MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit also fixes a deadlock found by Денис Кулаков Signed-off-by: Anton Khirnov --- libavcodec/dxva2.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'libavcodec/dxva2.c') diff --git a/libavcodec/dxva2.c b/libavcodec/dxva2.c index 8b0e686..9157094 100644 --- a/libavcodec/dxva2.c +++ b/libavcodec/dxva2.c @@ -158,9 +158,15 @@ int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, ff_dxva2_get_surface(frame), NULL); #endif - if (hr == E_PENDING) - av_usleep(2000); - } while (hr == E_PENDING && ++runs < 50); + if (hr != E_PENDING || ++runs > 50) + break; +#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 + av_usleep(2000); + } while(1); if (FAILED(hr)) { av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%lx\n", hr); -- cgit v1.1