RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

qsvenc: Add VDENC support for H264 and HEVC 

Add VDENC(lowpower mode) support for QSV h264 and HEVC

It's an experimental function(like lowpower in vaapi) with
some limitations:
- CBR/VBR require HuC which should be explicitly loaded via i915
module parameter(i915.enable_guc=2 for linux kerner version >= 4.16)
- HEVC VDENC was supported >= ICE LAKE

use option "-low_power 1" to enable VDENC.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
This commit is contained in:
Linjie Fu 2018-11-05 10:28:59 +08:00 committed by Luca Barbato
parent 9bf9358b61
commit e716323fa8
4 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/qsvenc.c
View File

@ -472,6 +472,9 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
}
}
#if QSV_HAVE_VDENC
q->param.mfx.LowPower = q->low_power ? MFX_CODINGOPTION_ON:MFX_CODINGOPTION_OFF;
#endif
q->param.mfx.CodecProfile = q->profile;
q->param.mfx.TargetUsage = avctx->compression_level;
q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);

2
libavcodec/qsvenc.h
View File

@ -44,6 +44,7 @@
#define QSV_HAVE_LA QSV_VERSION_ATLEAST(1, 7)
#define QSV_HAVE_LA_DS QSV_VERSION_ATLEAST(1, 8)
#define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11)
#define QSV_HAVE_VDENC QSV_VERSION_ATLEAST(1, 15)
#if defined(_WIN32)
#define QSV_HAVE_AVBR QSV_VERSION_ATLEAST(1, 3)
@ -159,6 +160,7 @@ typedef struct QSVEncContext {
int int_ref_cycle_size;
int int_ref_qp_delta;
int recovery_point_sei;
int low_power;
#if QSV_HAVE_MF
int mfmode;

3
libavcodec/qsvenc_h264.c
View File

@ -101,6 +101,9 @@ static const AVOption options[] = {
{ "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_DISABLED }, INT_MIN, INT_MAX, VE, "mfmode" },
{ "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_AUTO }, INT_MIN, INT_MAX, VE, "mfmode" },
#endif
#if QSV_HAVE_VDENC
{ "low_power", "enable low power mode (experimental, many limitations by mfx version, HW platform, BRC modes, etc.", OFFSET(qsv.low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
#endif
{ NULL },
};

3
libavcodec/qsvenc_hevc.c
View File

@ -238,6 +238,9 @@ static const AVOption options[] = {
{ "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
{ "main10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10 }, INT_MIN, INT_MAX, VE, "profile" },
{ "mainsp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP }, INT_MIN, INT_MAX, VE, "profile" },
#if QSV_HAVE_VDENC
{ "low_power", "enable low power mode (experimental, many limitations by mfx version, HW platform, BRC modes, etc.", OFFSET(qsv.low_power), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
#endif
{ NULL },
};