virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-04 06:08:26 +02:00
Code Issues Releases Activity

libavcodec/qsvenc: Add gop_size reset support to qsvenc

Browse Source 
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
This commit is contained in:
Wenbin Chen 2022-09-06 17:22:54 +08:00 committed by Haihao Xiang
parent c679de9be0
commit d60f657a50
3 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
doc/encoders.texi
View File

@ -3335,6 +3335,9 @@ Change these value to reset qsv codec's qp configuration.
@item @var{max_frame_size}
Supported in h264_qsv and hevc_qsv.
Change this value to reset qsv codec's MaxFrameSize configuration.
@item @var{gop_size}
Change this value to reset qsv codec's gop configuration.
@end table
@subsection H264 options

16
libavcodec/qsvenc.c
View File

@ -639,6 +639,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
q->param.mfx.CodecProfile = q->profile;
q->param.mfx.TargetUsage = avctx->compression_level;
q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
q->old_gop_size = avctx->gop_size;
q->param.mfx.GopRefDist = FFMAX(-1, avctx->max_b_frames) + 1;
q->param.mfx.GopOptFlag = avctx->flags & AV_CODEC_FLAG_CLOSED_GOP ?
MFX_GOP_CLOSED : MFX_GOP_STRICT;
@ -1697,6 +1698,20 @@ static int update_max_frame_size(AVCodecContext *avctx, QSVEncContext *q)
return updated;
}
static int update_gop_size(AVCodecContext *avctx, QSVEncContext *q)
{
int updated = 0;
UPDATE_PARAM(q->old_gop_size, avctx->gop_size);
if (!updated)
return 0;
q->param.mfx.GopPicSize = FFMAX(0, avctx->gop_size);
av_log(avctx, AV_LOG_DEBUG, "reset GopPicSize to %d\n",
q->param.mfx.GopPicSize);
return updated;
}
static int update_parameters(AVCodecContext *avctx, QSVEncContext *q,
const AVFrame *frame)
{
@ -1707,6 +1722,7 @@ static int update_parameters(AVCodecContext *avctx, QSVEncContext *q,
needReset = update_qp(avctx, q);
needReset |= update_max_frame_size(avctx, q);
needReset |= update_gop_size(avctx, q);
if (!needReset)
return 0;

2
libavcodec/qsvenc.h
View File

@ -253,6 +253,8 @@ typedef struct QSVEncContext {
float old_b_quant_offset;
// This is used for max_frame_size reset
int old_max_frame_size;
// This is used for gop reset
int old_gop_size;
} QSVEncContext;
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);