avcodec: implement vp9 dxva2 hwaccel

Changelog

@@ -42,6 +42,7 @@ version <next>:
 - mipsdspr1 option has been renamed to mipsdsp
 - aemphasis filter
 - mips32r5 option has been removed
+- DXVA2-accelerated VP9 decoding
 
 
 version 2.8:

configure

@@ -2567,6 +2567,10 @@ vc1_mmal_hwaccel_deps="mmal"
 vc1_mmal_decoder_select="vc1_decoder"
 vc1_qsv_hwaccel_deps="libmfx"
 vc1_qsv_hwaccel_select="qsvdec_vc1"
+vp9_d3d11va_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
+vp9_d3d11va_hwaccel_select="vp9_decoder"
+vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
+vp9_dxva2_hwaccel_select="vp9_decoder"
 wmv3_crystalhd_decoder_select="crystalhd"
 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
@@ -5297,6 +5301,7 @@ check_lib "CoreServices/CoreServices.h" UTGetOSTypeFromString "-framework CoreSe
 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
 
 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
+check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
 check_type "windows.h d3d11.h" "ID3D11VideoContext"
 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

libavcodec/Makefile

@@ -745,6 +745,8 @@ OBJS-$(CONFIG_VC1_D3D11VA_HWACCEL)        += dxva2_vc1.o
 OBJS-$(CONFIG_VC1_DXVA2_HWACCEL)          += dxva2_vc1.o
 OBJS-$(CONFIG_VC1_VAAPI_HWACCEL)          += vaapi_vc1.o
 OBJS-$(CONFIG_VC1_VDPAU_HWACCEL)          += vdpau_vc1.o
+OBJS-$(CONFIG_VP9_D3D11VA_HWACCEL)        += dxva2_vp9.o
+OBJS-$(CONFIG_VP9_DXVA2_HWACCEL)          += dxva2_vp9.o
 
 # libavformat dependencies
 OBJS-$(CONFIG_ADTS_MUXER)              += mpeg4audio.o

libavcodec/allcodecs.c

@@ -110,6 +110,8 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(VC1_VDPAU,         vc1_vdpau);
     REGISTER_HWACCEL(VC1_MMAL,          vc1_mmal);
     REGISTER_HWACCEL(VC1_QSV,           vc1_qsv);
+    REGISTER_HWACCEL(VP9_D3D11VA,       vp9_d3d11va);
+    REGISTER_HWACCEL(VP9_DXVA2,         vp9_dxva2);
     REGISTER_HWACCEL(WMV3_D3D11VA,      wmv3_d3d11va);
     REGISTER_HWACCEL(WMV3_DXVA2,        wmv3_dxva2);
     REGISTER_HWACCEL(WMV3_VAAPI,        wmv3_vaapi);

libavcodec/version.h

@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  16
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  17
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavcodec/vp9.c

@@ -240,7 +240,7 @@ fail:
 
 static int update_size(AVCodecContext *ctx, int w, int h)
 {
-#define HWACCEL_MAX (0)
+#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + CONFIG_VP9_D3D11VA_HWACCEL)
     enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
     VP9Context *s = ctx->priv_data;
     uint8_t *p;
@@ -254,6 +254,15 @@ static int update_size(AVCodecContext *ctx, int w, int h)
     if ((res = ff_set_dimensions(ctx, w, h)) < 0)
         return res;
 
+    if (s->pix_fmt == AV_PIX_FMT_YUV420P) {
+#if CONFIG_VP9_DXVA2_HWACCEL
+        *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
+#endif
+#if CONFIG_VP9_D3D11VA_HWACCEL
+        *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
+#endif
+    }
+
     *fmtp++ = s->pix_fmt;
     *fmtp = AV_PIX_FMT_NONE;