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libavcodec/qsvenc: Add low_delay_brc reset support to qsvenc 

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
This commit is contained in:
Wenbin Chen 2022-09-06 17:22:58 +08:00 committed by Haihao Xiang
parent 005c7a4f61
commit a2fd553dd3
3 changed files with 28 additions and 1 deletions
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4
doc/encoders.texi
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@ -3356,6 +3356,10 @@ Change these value to reset qsv codec's Intra Refresh configuration.
@item @var{min_qp_b}
Supported in h264_qsv.
Change these value to reset qsv codec's max/min qp configuration.
@item @var{low_delay_brc}
Supported in h264_qsv and hevc_qsv.
Change this value to reset qsv codec's low_delay_brc configuration.
@end table
@subsection H264 options

23
libavcodec/qsvenc.c
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@ -937,6 +937,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
q->old_int_ref_cycle_dist = q->int_ref_cycle_dist;
if (q->low_delay_brc >= 0)
q->extco3.LowDelayBRC = q->low_delay_brc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
q->old_low_delay_brc = q->low_delay_brc;
if (q->max_frame_size_i >= 0)
q->extco3.MaxFrameSizeI = q->max_frame_size_i;
if (q->max_frame_size_p >= 0)
@ -1817,6 +1818,26 @@ static int update_min_max_qp(AVCodecContext *avctx, QSVEncContext *q)
return updated;
}
static int update_low_delay_brc(AVCodecContext *avctx, QSVEncContext *q)
{
int updated = 0;
if (avctx->codec_id != AV_CODEC_ID_H264 && avctx->codec_id != AV_CODEC_ID_HEVC)
return 0;
UPDATE_PARAM(q->old_low_delay_brc, q->low_delay_brc);
if (!updated)
return 0;
q->extco3.LowDelayBRC = MFX_CODINGOPTION_UNKNOWN;
if (q->low_delay_brc >= 0)
q->extco3.LowDelayBRC = q->low_delay_brc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
av_log(avctx, AV_LOG_DEBUG, "Reset LowDelayBRC: %s\n",
print_threestate(q->extco3.LowDelayBRC));
return updated;
}
static int update_parameters(AVCodecContext *avctx, QSVEncContext *q,
const AVFrame *frame)
{
@ -1829,7 +1850,7 @@ static int update_parameters(AVCodecContext *avctx, QSVEncContext *q,
needReset |= update_max_frame_size(avctx, q);
needReset |= update_gop_size(avctx, q);
needReset |= update_rir(avctx, q);
needReset |= update_low_delay_brc(avctx, q);
ret = update_min_max_qp(avctx, q);
if (ret < 0)
return ret;

2
libavcodec/qsvenc.h
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@ -269,6 +269,8 @@ typedef struct QSVEncContext {
int old_min_qp_p;
int old_max_qp_b;
int old_min_qp_b;
// This is used for low_delay_brc reset
int old_low_delay_brc;
} QSVEncContext;
int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q);