From: Wenbinc-Bin <wenbin.c...@intel.com> Add low latency P-pyramid support for qsv, and it relates to a new command line parameter "-p_strategy". To enable this flag, user also need to set "-bf" to -1 or 0.
Signed-off-by Wenbin Chen <wenbin.c...@intel.com> --- libavcodec/qsvenc.c | 23 +++++++++++++++++++++++ libavcodec/qsvenc.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index 0d20d1968f..8cb0ecff89 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -268,6 +268,14 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q, case MFX_B_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid"); break; default: av_log(avctx, AV_LOG_VERBOSE, "auto"); break; } + + av_log(avctx, AV_LOG_VERBOSE, "; PRefType: "); + switch(co3->PRefType){ + case MFX_P_REF_DEFAULT: av_log(avctx, AV_LOG_VERBOSE, "default"); break; + case MFX_P_REF_SIMPLE: av_log(avctx, AV_LOG_VERBOSE, "simple"); break; + case MFX_P_REF_PYRAMID: av_log(avctx, AV_LOG_VERBOSE, "pyramid"); break; + default: break; + } av_log(avctx, AV_LOG_VERBOSE, "\n"); #endif @@ -781,6 +789,21 @@ FF_ENABLE_DEPRECATION_WARNINGS #if QSV_HAVE_CO3 q->extco3.Header.BufferId = MFX_EXTBUFF_CODING_OPTION3; q->extco3.Header.BufferSz = sizeof(q->extco3); + switch(q->p_strategy){ + case 0: + q->extco3.PRefType = MFX_P_REF_DEFAULT; + break; + case 1: + q->extco3.PRefType = MFX_P_REF_SIMPLE; + break; + case 2: + q->extco3.PRefType = MFX_P_REF_PYRAMID; + break; + default: + q->extco3.PRefType = MFX_P_REF_DEFAULT; + av_log(avctx, AV_LOG_VERBOSE, "invalid p_strategy, set to default\n"); + break; + } #if QSV_HAVE_GPB if (avctx->codec_id == AV_CODEC_ID_HEVC) q->extco3.GPB = q->gpb ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF; diff --git a/libavcodec/qsvenc.h b/libavcodec/qsvenc.h index 3720320789..a074561ca8 100644 --- a/libavcodec/qsvenc.h +++ b/libavcodec/qsvenc.h @@ -96,6 +96,7 @@ { "adaptive_i", "Adaptive I-frame placement", OFFSET(qsv.adaptive_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ { "adaptive_b", "Adaptive B-frame placement", OFFSET(qsv.adaptive_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ { "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ +{ "p_strategy", "enable P-pyramid 0-default 1-simple 2-pyramid", OFFSET(qsv.p_strategy), AV_OPT_TYPE_INT, { .i64 = 0}, 0, 2, VE }, \ { "forced_idr", "Forcing I frames as IDR frames", OFFSET(qsv.forced_idr), AV_OPT_TYPE_BOOL,{ .i64 = 0 }, 0, 1, VE }, \ { "low_power", "enable low power mode(experimental: many limitations by mfx version, BRC modes, etc.)", OFFSET(qsv.low_power), AV_OPT_TYPE_BOOL, { .i64 = 0}, 0, 1, VE},\ { "dblk_idc", "value of DisableDeblockingIdc (default is 0), in range [0,2]", OFFSET(qsv.dblk_idc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, VE}, \ @@ -185,6 +186,7 @@ typedef struct QSVEncContext { int adaptive_i; int adaptive_b; int b_strategy; + int p_strategy; int cavlc; int int_ref_type; -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".