Add adaptive_i/b feature to hevc_qsv. Adaptive_i allows changing of
frame type from P and B to I. Adaptive_b allows changing of frame type
frome B to P.
Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
---
doc/encoders.texi | 7 +++++++
libavcodec/qsvenc.c | 9 ++++-----
libavcodec/qsvenc_hevc.c | 2 ++
3 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 6d73f74196..fed798ff42 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3543,6 +3543,13 @@ Setting this flag turns on or off LowDelayBRC feautre in
qsv plugin, which provi
more accurate bitrate control to minimize the variance of bitstream size frame
by frame. Value: -1-default 0-off 1-on
+@item @var{adaptive_i}
+This flag controls insertion of I frames by the QSV encoder. Turn ON this flag
+to allow changing of frame type from P and B to I.
+
+@item @var{adaptive_b}
+This flag controls changing of frame type from B to P.
+
@item @var{p_strategy}
Enable P-pyramid: 0-default 1-simple 2-pyramid(bf need to be set to 0).
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 4831640868..ca5e6f0b6e 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -816,11 +816,6 @@ static int init_video_param(AVCodecContext *avctx,
QSVEncContext *q)
q->extco2.LookAheadDS = q->look_ahead_downsampling;
q->extco2.RepeatPPS = q->repeat_pps ? MFX_CODINGOPTION_ON :
MFX_CODINGOPTION_OFF;
-
- if (q->adaptive_i >= 0)
- 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 (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id ==
AV_CODEC_ID_HEVC) {
@@ -840,6 +835,10 @@ static int init_video_param(AVCodecContext *avctx,
QSVEncContext *q)
if (q->b_strategy >= 0)
q->extco2.BRefType = q->b_strategy ? MFX_B_REF_PYRAMID :
MFX_B_REF_OFF;
+ if (q->adaptive_i >= 0)
+ 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 ((avctx->qmin >= 0 && avctx->qmax >= 0 && avctx->qmin >
avctx->qmax) ||
(q->max_qp_i >= 0 && q->min_qp_i >= 0 && q->min_qp_i >
q->max_qp_i) ||
(q->max_qp_p >= 0 && q->min_qp_p >= 0 && q->min_qp_p >
q->max_qp_p) ||
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index e11f5dec4a..19f028c078 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -233,6 +233,8 @@ static const AVOption options[] = {
QSV_OPTION_DBLK_IDC
QSV_OPTION_LOW_DELAY_BRC
QSV_OPTION_MAX_MIN_QP
+ QSV_OPTION_ADAPTIVE_I
+ QSV_OPTION_ADAPTIVE_B
{ "idr_interval", "Distance (in I-frames) between IDR frames",
OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT_MAX, VE,
"idr_interval" },
{ "begin_only", "Output an IDR-frame only at the beginning of the stream",
0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, "idr_interval" },
--
2.32.0
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