From 97141ffeec803c448d81ee4a53cfa2355f79f7ec Mon Sep 17 00:00:00 2001 From: Wenbin Chen Date: Wed, 8 Jun 2022 13:02:48 +0800 Subject: libavcodec/qsvenc: add ROI support to qsv encoder Use The mfxEncoderCtrl parameter to enable ROI. Get side data "AVRegionOfInterest" and use it to configure "mfxExtEncoderROI" which is the MediaSDK's ROI configuration. Signed-off-by: Wenbin Chen Signed-off-by: Haihao Xiang --- libavcodec/qsv_internal.h | 4 +++ libavcodec/qsvenc.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) (limited to 'libavcodec') diff --git a/libavcodec/qsv_internal.h b/libavcodec/qsv_internal.h index e2aecdcbd6..8131acdae9 100644 --- a/libavcodec/qsv_internal.h +++ b/libavcodec/qsv_internal.h @@ -51,6 +51,9 @@ #define ASYNC_DEPTH_DEFAULT 4 // internal parallelism #define QSV_MAX_ENC_PAYLOAD 2 // # of mfxEncodeCtrl payloads supported +#define QSV_MAX_ENC_EXTPARAM 2 + +#define QSV_MAX_ROI_NUM 256 #define QSV_MAX_FRAME_EXT_PARAMS 4 @@ -83,6 +86,7 @@ typedef struct QSVFrame { int num_ext_params; mfxPayload *payloads[QSV_MAX_ENC_PAYLOAD]; ///< used for enc_ctrl.Payload + mfxExtBuffer *extparam[QSV_MAX_ENC_EXTPARAM]; ///< used for enc_ctrl.ExtParam int queued; int used; diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index 03e9e5523d..902bada55b 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -1390,15 +1390,29 @@ static void free_encoder_ctrl_payloads(mfxEncodeCtrl* enc_ctrl) } } +static void free_encoder_ctrl_extparam(mfxEncodeCtrl* enc_ctrl) +{ + if (enc_ctrl) { + int i; + for (i = 0; i < enc_ctrl->NumExtParam && i < QSV_MAX_ENC_EXTPARAM; i++) { + if (enc_ctrl->ExtParam[i]) + av_freep(&(enc_ctrl->ExtParam[i])); + } + enc_ctrl->NumExtParam = 0; + } +} + static void clear_unused_frames(QSVEncContext *q) { QSVFrame *cur = q->work_frames; while (cur) { if (cur->used && !cur->surface.Data.Locked) { free_encoder_ctrl_payloads(&cur->enc_ctrl); + free_encoder_ctrl_extparam(&cur->enc_ctrl); //do not reuse enc_ctrl from previous frame memset(&cur->enc_ctrl, 0, sizeof(cur->enc_ctrl)); cur->enc_ctrl.Payload = cur->payloads; + cur->enc_ctrl.ExtParam = cur->extparam; if (cur->frame->format == AV_PIX_FMT_QSV) { av_frame_unref(cur->frame); } @@ -1436,6 +1450,7 @@ static int get_free_frame(QSVEncContext *q, QSVFrame **f) return AVERROR(ENOMEM); } frame->enc_ctrl.Payload = frame->payloads; + frame->enc_ctrl.ExtParam = frame->extparam; *last = frame; *f = frame; @@ -1537,6 +1552,67 @@ static void print_interlace_msg(AVCodecContext *avctx, QSVEncContext *q) } } +static int set_roi_encode_ctrl(AVCodecContext *avctx, const AVFrame *frame, + mfxEncodeCtrl *enc_ctrl) +{ + AVFrameSideData *sd = NULL; + int mb_size; + + if (avctx->codec_id == AV_CODEC_ID_H264) + mb_size = 16; + else if (avctx->codec_id == AV_CODEC_ID_H265) + mb_size = 32; + else + return 0; + + if (frame) + sd = av_frame_get_side_data(frame, AV_FRAME_DATA_REGIONS_OF_INTEREST); + + if (sd) { + mfxExtEncoderROI *enc_roi = NULL; + AVRegionOfInterest *roi; + uint32_t roi_size; + int nb_roi, i; + + roi = (AVRegionOfInterest *)sd->data; + roi_size = roi->self_size; + if (!roi_size || sd->size % roi_size) { + av_log(avctx, AV_LOG_ERROR, "Invalid ROI Data.\n"); + return AVERROR(EINVAL); + } + nb_roi = sd->size / roi_size; + if (nb_roi > QSV_MAX_ROI_NUM) { + av_log(avctx, AV_LOG_WARNING, "More ROIs set than " + "supported by driver (%d > %d).\n", + nb_roi, QSV_MAX_ROI_NUM); + nb_roi = QSV_MAX_ROI_NUM; + } + + enc_roi = av_mallocz(sizeof(*enc_roi)); + if (!enc_roi) + return AVERROR(ENOMEM); + enc_roi->Header.BufferId = MFX_EXTBUFF_ENCODER_ROI; + enc_roi->Header.BufferSz = sizeof(*enc_roi); + enc_roi->NumROI = nb_roi; + enc_roi->ROIMode = MFX_ROI_MODE_QP_DELTA; + for (i = 0; i < nb_roi; i++) { + roi = (AVRegionOfInterest *)(sd->data + roi_size * i); + enc_roi->ROI[i].Top = FFALIGN(roi->top, mb_size); + enc_roi->ROI[i].Bottom = FFALIGN(roi->bottom, mb_size); + enc_roi->ROI[i].Left = FFALIGN(roi->left, mb_size); + enc_roi->ROI[i].Right = FFALIGN(roi->right, mb_size); + enc_roi->ROI[i].DeltaQP = + roi->qoffset.num * 51 / roi->qoffset.den; + av_log(avctx, AV_LOG_DEBUG, "ROI: (%d,%d)-(%d,%d) -> %+d.\n", + roi->top, roi->left, roi->bottom, roi->right, + enc_roi->ROI[i].DeltaQP); + } + enc_ctrl->ExtParam[enc_ctrl->NumExtParam] = (mfxExtBuffer *)enc_roi; + enc_ctrl->NumExtParam++; + } + return 0; +} + static int encode_frame(AVCodecContext *avctx, QSVEncContext *q, const AVFrame *frame) { @@ -1599,6 +1675,14 @@ static int encode_frame(AVCodecContext *avctx, QSVEncContext *q, q->set_encode_ctrl_cb(avctx, frame, &qsv_frame->enc_ctrl); } + if ((avctx->codec_id == AV_CODEC_ID_H264 || + avctx->codec_id == AV_CODEC_ID_H265) && + enc_ctrl && QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 8)) { + ret = set_roi_encode_ctrl(avctx, frame, enc_ctrl); + if (ret < 0) + goto free; + } + pkt.sync = av_mallocz(sizeof(*pkt.sync)); if (!pkt.sync) goto nomem; @@ -1721,6 +1805,7 @@ int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q) while (cur) { q->work_frames = cur->next; av_frame_free(&cur->frame); + free_encoder_ctrl_extparam(&cur->enc_ctrl); free_encoder_ctrl_payloads(&cur->enc_ctrl); av_freep(&cur); cur = q->work_frames; -- cgit v1.2.3