Merge commit 'b90fdb2c'

* commit 'b90fdb2c':
  hevcdec: add a CUVID hwaccel

Adapted for ffmpeg by Timo Rothenpieler.
Merged-by: James Almer <jamrial@gmail.com>

Changelog

@@ -13,7 +13,7 @@ version <next>:
 - PCE support for extended channel layouts in the AAC encoder
 - native aptX encoder and decoder
 - Raw aptX muxer and demuxer
-- NVIDIA NVDEC-accelerated H.264 hwaccel decoding
+- NVIDIA NVDEC-accelerated H.264 and HEVC hwaccel decoding
 
 
 version 3.4:

configure

@@ -2692,6 +2692,8 @@ hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
 hevc_d3d11va2_hwaccel_select="hevc_decoder"
 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
 hevc_dxva2_hwaccel_select="hevc_decoder"
+hevc_nvdec_hwaccel_deps="cuda nvdec"
+hevc_nvdec_hwaccel_select="hevc_decoder"
 hevc_qsv_hwaccel_deps="libmfx"
 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
 hevc_vaapi_hwaccel_select="hevc_decoder"

libavcodec/Makefile

@@ -846,6 +846,7 @@ OBJS-$(CONFIG_H264_VDPAU_HWACCEL)         += vdpau_h264.o
 OBJS-$(CONFIG_H264_VIDEOTOOLBOX_HWACCEL)  += videotoolbox.o
 OBJS-$(CONFIG_HEVC_D3D11VA_HWACCEL)       += dxva2_hevc.o
 OBJS-$(CONFIG_HEVC_DXVA2_HWACCEL)         += dxva2_hevc.o
+OBJS-$(CONFIG_HEVC_NVDEC_HWACCEL)         += nvdec_hevc.o
 OBJS-$(CONFIG_HEVC_QSV_HWACCEL)           += qsvdec_h2645.o
 OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL)         += vaapi_hevc.o
 OBJS-$(CONFIG_HEVC_VDPAU_HWACCEL)         += vdpau_hevc.o

libavcodec/allcodecs.c

@@ -79,6 +79,7 @@ static void register_all(void)
     REGISTER_HWACCEL(HEVC_D3D11VA,      hevc_d3d11va);
     REGISTER_HWACCEL(HEVC_D3D11VA2,     hevc_d3d11va2);
     REGISTER_HWACCEL(HEVC_DXVA2,        hevc_dxva2);
+    REGISTER_HWACCEL(HEVC_NVDEC,        hevc_nvdec);
     REGISTER_HWACCEL(HEVC_MEDIACODEC,   hevc_mediacodec);
     REGISTER_HWACCEL(HEVC_QSV,          hevc_qsv);
     REGISTER_HWACCEL(HEVC_VAAPI,        hevc_vaapi);

libavcodec/hevcdec.c

@@ -354,6 +354,7 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
 {
 #define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + \
                      CONFIG_HEVC_D3D11VA_HWACCEL * 2 + \
+                     CONFIG_HEVC_NVDEC_HWACCEL + \
                      CONFIG_HEVC_VAAPI_HWACCEL + \
                      CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL + \
                      CONFIG_HEVC_VDPAU_HWACCEL)
@@ -375,6 +376,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
 #if CONFIG_HEVC_VDPAU_HWACCEL
         *fmt++ = AV_PIX_FMT_VDPAU;
 #endif
+#if CONFIG_HEVC_NVDEC_HWACCEL
+        *fmt++ = AV_PIX_FMT_CUDA;
+#endif
 #if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL
         *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
 #endif
@@ -392,6 +396,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
 #endif
 #if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL
         *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
+#endif
+#if CONFIG_HEVC_NVDEC_HWACCEL
+        *fmt++ = AV_PIX_FMT_CUDA;
 #endif
         break;
     }

libavcodec/nvdec.c

@@ -53,6 +53,7 @@ static int map_avcodec_id(enum AVCodecID id)
 {
     switch (id) {
     case AV_CODEC_ID_H264: return cudaVideoCodec_H264;
+    case AV_CODEC_ID_HEVC: return cudaVideoCodec_HEVC;
     }
     return -1;
 }