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Code Issues Releases Activity

lavc/qsvenc: enable lookahead for hevc encoding

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Update version based on the patch:
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20211009015949.1510-1-haihao.xiang@intel.com/

Signed-off-by: Daniel Socek <daniel.socek@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
Signed-off-by: Zhong Li <zhongli_dev@126.com>
This commit is contained in:
Zhong Li 2021-12-21 23:22:25 +08:00 committed by Haihao Xiang
parent 0598b38e93
commit 7e4747ec50
2 changed files with 13 additions and 0 deletions
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10
libavcodec/qsvenc.c
View File

@ -210,6 +210,11 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
av_log(avctx, AV_LOG_VERBOSE,
"BufferSizeInKB: %"PRIu16"; InitialDelayInKB: %"PRIu16"; TargetKbps: %"PRIu16"; MaxKbps: %"PRIu16"; BRCParamMultiplier: %"PRIu16"\n",
info->BufferSizeInKB, info->InitialDelayInKB, info->TargetKbps, info->MaxKbps, info->BRCParamMultiplier);
#if QSV_HAVE_LA
if (info->RateControlMethod == MFX_RATECONTROL_VBR && q->extbrc && q->look_ahead_depth > 0 ) {
av_log(avctx, AV_LOG_VERBOSE, "LookAheadDepth: %"PRIu16"\n",co2->LookAheadDepth);
}
#endif
} else if (info->RateControlMethod == MFX_RATECONTROL_CQP) {
av_log(avctx, AV_LOG_VERBOSE, "QPI: %"PRIu16"; QPP: %"PRIu16"; QPB: %"PRIu16"\n",
info->QPI, info->QPP, info->QPB);
@ -742,6 +747,11 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
switch (q->param.mfx.RateControlMethod) {
case MFX_RATECONTROL_CBR:
case MFX_RATECONTROL_VBR:
#if QSV_HAVE_LA
if (q->extbrc) {
q->extco2.LookAheadDepth = q->look_ahead_depth;
}
#endif
#if QSV_HAVE_VCM
case MFX_RATECONTROL_VCM:
#endif

3
libavcodec/qsvenc_hevc.c
View File

@ -235,6 +235,9 @@ static const AVOption options[] = {
{ "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session",
OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VE },
#if QSV_HAVE_LA
{ "look_ahead_depth", "Depth of look ahead in number frames, available when extbrc option is enabled", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
#endif
{ "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_HEVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },