From: Daniel Socek <daniel.so...@intel.com>
Signed-off-by: Daniel Socek <daniel.so...@intel.com>
Signed-off-by: Haihao Xiang <haihao.xi...@intel.com>
---
libavcodec/qsvenc.c | 3 +++
libavcodec/qsvenc_hevc.c | 1 +
2 files changed, 4 insertions(+)
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 06f55604b5..e21a9b1207 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -610,6 +610,9 @@ static int init_video_param(AVCodecContext *avctx,
QSVEncContext *q)
switch (q->param.mfx.RateControlMethod) {
case MFX_RATECONTROL_CBR:
case MFX_RATECONTROL_VBR:
+ if (q->extbrc) {
+ q->extco2.LookAheadDepth = q->look_ahead_depth;
+ }
#if QSV_HAVE_VCM
case MFX_RATECONTROL_VCM:
#endif
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index b7b2f5633e..8af2aa0c07 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -248,6 +248,7 @@ static const AVOption options[] = {
{ "tile_rows", "Number of rows for tiled encoding",
OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ "recovery_point_sei", "Insert recovery point SEI messages",
OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 },
-1, 1, VE },
{ "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud),
AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
+ { "look_ahead_depth", "Depth of look ahead in number frames",
OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
{ NULL },
};
--
2.17.1
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