* [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder
@ 2022-12-26 6:02 wenbin.chen-at-intel.com
2022-12-26 6:02 ` [FFmpeg-devel] [PATCH 2/2] libavcodec/qsvenc_av1: Add max_frame_size " wenbin.chen-at-intel.com
2023-01-03 1:08 ` [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc " Xiang, Haihao
0 siblings, 2 replies; 3+ messages in thread
From: wenbin.chen-at-intel.com @ 2022-12-26 6:02 UTC (permalink / raw)
To: ffmpeg-devel
From: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
---
doc/encoders.texi | 5 +++++
libavcodec/qsvenc.c | 4 ++++
libavcodec/qsvenc_av1.c | 1 +
3 files changed, 10 insertions(+)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index b8051cda3f..543b5e26a9 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3850,6 +3850,11 @@ Extended bitrate control.
@item @var{look_ahead_depth}
Depth of look ahead in number frames, available when extbrc option is enabled.
+
+@item @var{low_delay_brc}
+Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides
+more accurate bitrate control to minimize the variance of bitstream size frame
+by frame. Value: -1-default 0-off 1-on
@end table
@section snow
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 514a1e8148..f5c6a164bb 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -537,6 +537,7 @@ static void dump_video_av1_param(AVCodecContext *avctx, QSVEncContext *q,
av_log(avctx, AV_LOG_VERBOSE, "WriteIVFHeaders: %s \n",
print_threestate(av1_bs_param->WriteIVFHeaders));
+ av_log(avctx, AV_LOG_VERBOSE, "LowDelayBRC: %s\n", print_threestate(co3->LowDelayBRC));
}
#endif
@@ -1090,6 +1091,9 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
q->extco3.MaxFrameSizeP = q->max_frame_size_p;
q->extco3.ScenarioInfo = q->scenario;
+ } else if (avctx->codec_id == AV_CODEC_ID_AV1) {
+ if (q->low_delay_brc >= 0)
+ q->extco3.LowDelayBRC = q->low_delay_brc ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
}
if (avctx->codec_id == AV_CODEC_ID_HEVC) {
diff --git a/libavcodec/qsvenc_av1.c b/libavcodec/qsvenc_av1.c
index bb9ad16927..1e7801fefe 100644
--- a/libavcodec/qsvenc_av1.c
+++ b/libavcodec/qsvenc_av1.c
@@ -110,6 +110,7 @@ static const AVOption options[] = {
QSV_OPTION_ADAPTIVE_I
QSV_OPTION_ADAPTIVE_B
QSV_OPTION_EXTBRC
+ QSV_OPTION_LOW_DELAY_BRC
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AV1_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
--
2.34.1
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^ permalink raw reply [flat|nested] 3+ messages in thread* [FFmpeg-devel] [PATCH 2/2] libavcodec/qsvenc_av1: Add max_frame_size support to av1_qsv encoder
2022-12-26 6:02 [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder wenbin.chen-at-intel.com
@ 2022-12-26 6:02 ` wenbin.chen-at-intel.com
2023-01-03 1:08 ` [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc " Xiang, Haihao
1 sibling, 0 replies; 3+ messages in thread
From: wenbin.chen-at-intel.com @ 2022-12-26 6:02 UTC (permalink / raw)
To: ffmpeg-devel
From: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
---
doc/encoders.texi | 5 +++++
libavcodec/qsvenc.c | 3 +++
libavcodec/qsvenc_av1.c | 1 +
3 files changed, 9 insertions(+)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 543b5e26a9..727f12a59d 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3855,6 +3855,11 @@ Depth of look ahead in number frames, available when extbrc option is enabled.
Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which provides
more accurate bitrate control to minimize the variance of bitstream size frame
by frame. Value: -1-default 0-off 1-on
+
+@item max_frame_size
+Set the allowed max size in bytes for each frame. If the frame size exceeds
+the limitation, encoder will adjust the QP value to control the frame size.
+Invalid in CQP rate control mode.
@end table
@section snow
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index f5c6a164bb..93f1862a4b 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -538,6 +538,7 @@ static void dump_video_av1_param(AVCodecContext *avctx, QSVEncContext *q,
av_log(avctx, AV_LOG_VERBOSE, "WriteIVFHeaders: %s \n",
print_threestate(av1_bs_param->WriteIVFHeaders));
av_log(avctx, AV_LOG_VERBOSE, "LowDelayBRC: %s\n", print_threestate(co3->LowDelayBRC));
+ av_log(avctx, AV_LOG_VERBOSE, "MaxFrameSize: %d;\n", co2->MaxFrameSize);
}
#endif
@@ -1034,6 +1035,8 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
q->extco2.AdaptiveI = q->adaptive_i ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
if (q->adaptive_b >= 0)
q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
+ if (q->max_frame_size >= 0)
+ q->extco2.MaxFrameSize = q->max_frame_size;
q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
q->extco2.Header.BufferSz = sizeof(q->extco2);
diff --git a/libavcodec/qsvenc_av1.c b/libavcodec/qsvenc_av1.c
index 1e7801fefe..c697845d7b 100644
--- a/libavcodec/qsvenc_av1.c
+++ b/libavcodec/qsvenc_av1.c
@@ -111,6 +111,7 @@ static const AVOption options[] = {
QSV_OPTION_ADAPTIVE_B
QSV_OPTION_EXTBRC
QSV_OPTION_LOW_DELAY_BRC
+ QSV_OPTION_MAX_FRAME_SIZE
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AV1_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
--
2.34.1
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder
2022-12-26 6:02 [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder wenbin.chen-at-intel.com
2022-12-26 6:02 ` [FFmpeg-devel] [PATCH 2/2] libavcodec/qsvenc_av1: Add max_frame_size " wenbin.chen-at-intel.com
@ 2023-01-03 1:08 ` Xiang, Haihao
1 sibling, 0 replies; 3+ messages in thread
From: Xiang, Haihao @ 2023-01-03 1:08 UTC (permalink / raw)
To: ffmpeg-devel
On Ma, 2022-12-26 at 14:02 +0800, wenbin.chen-at-intel.com@ffmpeg.org wrote:
> From: Wenbin Chen <wenbin.chen@intel.com>
>
> Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
> ---
> doc/encoders.texi | 5 +++++
> libavcodec/qsvenc.c | 4 ++++
> libavcodec/qsvenc_av1.c | 1 +
> 3 files changed, 10 insertions(+)
>
> diff --git a/doc/encoders.texi b/doc/encoders.texi
> index b8051cda3f..543b5e26a9 100644
> --- a/doc/encoders.texi
> +++ b/doc/encoders.texi
> @@ -3850,6 +3850,11 @@ Extended bitrate control.
>
> @item @var{look_ahead_depth}
> Depth of look ahead in number frames, available when extbrc option is
> enabled.
> +
> +@item @var{low_delay_brc}
> +Setting this flag turns on or off LowDelayBRC feautre in qsv plugin, which
> provides
> +more accurate bitrate control to minimize the variance of bitstream size
> frame
> +by frame. Value: -1-default 0-off 1-on
> @end table
>
> @section snow
> diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> index 514a1e8148..f5c6a164bb 100644
> --- a/libavcodec/qsvenc.c
> +++ b/libavcodec/qsvenc.c
> @@ -537,6 +537,7 @@ static void dump_video_av1_param(AVCodecContext *avctx,
> QSVEncContext *q,
>
> av_log(avctx, AV_LOG_VERBOSE, "WriteIVFHeaders: %s \n",
> print_threestate(av1_bs_param->WriteIVFHeaders));
> + av_log(avctx, AV_LOG_VERBOSE, "LowDelayBRC: %s\n", print_threestate(co3-
> >LowDelayBRC));
> }
> #endif
>
> @@ -1090,6 +1091,9 @@ static int init_video_param(AVCodecContext *avctx,
> QSVEncContext *q)
> q->extco3.MaxFrameSizeP = q->max_frame_size_p;
>
> q->extco3.ScenarioInfo = q->scenario;
> + } else if (avctx->codec_id == AV_CODEC_ID_AV1) {
> + if (q->low_delay_brc >= 0)
> + q->extco3.LowDelayBRC = q->low_delay_brc ?
> MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
> }
>
> if (avctx->codec_id == AV_CODEC_ID_HEVC) {
> diff --git a/libavcodec/qsvenc_av1.c b/libavcodec/qsvenc_av1.c
> index bb9ad16927..1e7801fefe 100644
> --- a/libavcodec/qsvenc_av1.c
> +++ b/libavcodec/qsvenc_av1.c
> @@ -110,6 +110,7 @@ static const AVOption options[] = {
> QSV_OPTION_ADAPTIVE_I
> QSV_OPTION_ADAPTIVE_B
> QSV_OPTION_EXTBRC
> + QSV_OPTION_LOW_DELAY_BRC
> { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 =
> MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
> { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
> { "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 =
> MFX_PROFILE_AV1_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
Patchset LGTM, will apply,
-Haihao
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-12-26 6:02 [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc support to av1_qsv encoder wenbin.chen-at-intel.com
2022-12-26 6:02 ` [FFmpeg-devel] [PATCH 2/2] libavcodec/qsvenc_av1: Add max_frame_size " wenbin.chen-at-intel.com
2023-01-03 1:08 ` [FFmpeg-devel] [PATCH 1/2] libavcodec/qsvenc_av1: Add low_delay_brc " Xiang, Haihao
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