[FFmpeg-cvslog] avconv_dxva2: add hevc support
Hendrik Leppkes
git at videolan.org
Tue Jan 27 14:53:45 CET 2015
ffmpeg | branch: master | Hendrik Leppkes <h.leppkes at gmail.com> | Sun Jan 25 12:58:51 2015 +0100| [a7e0380497306d9723dec8440a4c52e8bf0263cf] | committer: Anton Khirnov
avconv_dxva2: add hevc support
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a7e0380497306d9723dec8440a4c52e8bf0263cf
---
avconv_dxva2.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/avconv_dxva2.c b/avconv_dxva2.c
index 4457a21..8ca08c3 100644
--- a/avconv_dxva2.c
+++ b/avconv_dxva2.c
@@ -52,6 +52,7 @@ DEFINE_GUID(DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0
DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
DEFINE_GUID(DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
DEFINE_GUID(DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
+DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
DEFINE_GUID(GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
@@ -80,6 +81,9 @@ static const dxva2_mode dxva2_modes[] = {
{ &DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
{ &DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
+ /* HEVC/H.265 */
+ { &DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC },
+
{ NULL, 0 },
};
@@ -525,6 +529,10 @@ static int dxva2_create_decoder(AVCodecContext *s)
but it causes issues for H.264 on certain AMD GPUs..... */
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
surface_alignment = 32;
+ /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
+ all coding features have enough room to work with */
+ else if (s->codec_id == AV_CODEC_ID_HEVC)
+ surface_alignment = 128;
else
surface_alignment = 16;
@@ -532,7 +540,7 @@ static int dxva2_create_decoder(AVCodecContext *s)
ctx->num_surfaces = 4;
/* add surfaces based on number of possible refs */
- if (s->codec_id == AV_CODEC_ID_H264)
+ if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
ctx->num_surfaces += 16;
else
ctx->num_surfaces += 2;
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