On Fri, Dec 25, 2020 at 12:55 PM <wenbin.c...@intel.com> wrote:
>
> 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){
Please follow the coding style, thx
> + 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){
Same as above
> + case 0:
And this
> + 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
>
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--
=======================================
Jun zhao/赵军
+++++++++++++++++++++++++++++++++++++++
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