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https://github.com/FFmpeg/FFmpeg.git
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dc4d3429e1
Add skip_frame support to qsvenc. Use per-frame metadata "qsv_skip_frame" to control it. skip_frame option defines the behavior of qsv_skip_frame. no_skip: Frame skipping is disabled. insert_dummy: Encoder inserts into bitstream frame where all macroblocks are encoded as skipped. insert_nothing: Similar to insert_dummy, but encoder inserts nothing. The skipped frames are still used in brc. For example, gop still include skipped frames, and the frames after skipped frames will be larger in size. brc_only: skip_frame metadata indicates the number of missed frames before the current frame. Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
210 lines
9.6 KiB
C
210 lines
9.6 KiB
C
/*
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* Intel MediaSDK QSV based H.264 encoder
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*
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* copyright (c) 2013 Yukinori Yamazoe
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include <sys/types.h>
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#include <mfxvideo.h>
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "codec_internal.h"
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#include "qsv.h"
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#include "qsvenc.h"
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#include "atsc_a53.h"
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typedef struct QSVH264EncContext {
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AVClass *class;
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QSVEncContext qsv;
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} QSVH264EncContext;
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static int qsv_h264_set_encode_ctrl(AVCodecContext *avctx,
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const AVFrame *frame, mfxEncodeCtrl* enc_ctrl)
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{
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QSVH264EncContext *qh264 = avctx->priv_data;
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QSVEncContext *q = &qh264->qsv;
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if (q->a53_cc && frame) {
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mfxPayload* payload;
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mfxU8* sei_data;
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size_t sei_size;
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int res;
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res = ff_alloc_a53_sei(frame, sizeof(mfxPayload) + 2, (void**)&payload, &sei_size);
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if (res < 0 || !payload)
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return res;
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sei_data = (mfxU8*)(payload + 1);
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// SEI header
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sei_data[0] = 4;
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sei_data[1] = (mfxU8)sei_size; // size of SEI data
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// SEI data filled in by ff_alloc_a53_sei
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payload->BufSize = sei_size + 2;
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payload->NumBit = payload->BufSize * 8;
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payload->Type = 4;
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payload->Data = sei_data;
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enc_ctrl->NumExtParam = 0;
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enc_ctrl->NumPayload = 1;
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enc_ctrl->Payload[0] = payload;
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}
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return 0;
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}
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static av_cold int qsv_enc_init(AVCodecContext *avctx)
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{
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QSVH264EncContext *q = avctx->priv_data;
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q->qsv.set_encode_ctrl_cb = qsv_h264_set_encode_ctrl;
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return ff_qsv_enc_init(avctx, &q->qsv);
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}
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static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *frame, int *got_packet)
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{
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QSVH264EncContext *q = avctx->priv_data;
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return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
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}
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static av_cold int qsv_enc_close(AVCodecContext *avctx)
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{
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QSVH264EncContext *q = avctx->priv_data;
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return ff_qsv_enc_close(avctx, &q->qsv);
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}
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#define OFFSET(x) offsetof(QSVH264EncContext, x)
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#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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static const AVOption options[] = {
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QSV_COMMON_OPTS
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QSV_OPTION_RDO
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QSV_OPTION_MAX_FRAME_SIZE
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QSV_OPTION_MAX_SLICE_SIZE
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QSV_OPTION_BITRATE_LIMIT
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QSV_OPTION_MBBRC
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QSV_OPTION_EXTBRC
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QSV_OPTION_ADAPTIVE_I
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QSV_OPTION_ADAPTIVE_B
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QSV_OPTION_P_STRATEGY
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QSV_OPTION_B_STRATEGY
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QSV_OPTION_DBLK_IDC
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QSV_OPTION_LOW_DELAY_BRC
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QSV_OPTION_MAX_MIN_QP
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QSV_OPTION_SCENARIO
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QSV_OPTION_AVBR
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QSV_OPTION_SKIP_FRAME
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{ "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
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#if QSV_HAVE_VCM
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{ "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
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#endif
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{ "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
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{ "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE },
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{ "single_sei_nal_unit", "Put all the SEI messages into one NALU", OFFSET(qsv.single_sei_nal_unit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
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{ "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
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{ "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
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{ "look_ahead_depth", "Depth of look ahead in number frames", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE },
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{ "look_ahead_downsampling", "Downscaling factor for the frames saved for the lookahead analysis", OFFSET(qsv.look_ahead_downsampling),
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AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_4x, VE, "look_ahead_downsampling" },
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{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" },
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{ "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" },
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{ "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" },
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{ "2x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" },
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{ "4x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_4x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" },
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{ "int_ref_type", "Intra refresh type. B frames should be set to 0.", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" },
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{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" },
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{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" },
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{ "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE, "int_ref_type" },
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{ "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .flags = VE, "int_ref_type" },
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{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle", OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE },
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{ "int_ref_qp_delta", "QP difference for the refresh MBs", OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN }, INT16_MIN, INT16_MAX, VE },
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{ "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
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{ "int_ref_cycle_dist", "Distance between the beginnings of the intra-refresh cycles in frames", OFFSET(qsv.int_ref_cycle_dist), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT16_MAX, VE },
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{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
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{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
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{ "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
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{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
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{ "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
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{ "a53cc" , "Use A53 Closed Captions (if available)", OFFSET(qsv.a53_cc), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, VE},
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{ "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE},
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#if QSV_HAVE_MF
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{ "mfmode", "Multi-Frame Mode", OFFSET(qsv.mfmode), AV_OPT_TYPE_INT, { .i64 = MFX_MF_AUTO }, MFX_MF_DEFAULT, MFX_MF_AUTO, VE, "mfmode"},
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{ "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_DISABLED }, INT_MIN, INT_MAX, VE, "mfmode" },
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{ "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_AUTO }, INT_MIN, INT_MAX, VE, "mfmode" },
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#endif
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{ "repeat_pps", "repeat pps for every frame", OFFSET(qsv.repeat_pps), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
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{ NULL },
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};
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static const AVClass class = {
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.class_name = "h264_qsv encoder",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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static const FFCodecDefault qsv_enc_defaults[] = {
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{ "b", "1M" },
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{ "refs", "0" },
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{ "g", "-1" },
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{ "bf", "-1" },
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{ "qmin", "-1" },
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{ "qmax", "-1" },
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{ "trellis", "-1" },
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{ "flags", "+cgop" },
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{ NULL },
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};
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const FFCodec ff_h264_qsv_encoder = {
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.p.name = "h264_qsv",
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CODEC_LONG_NAME("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVH264EncContext),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_H264,
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.init = qsv_enc_init,
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FF_CODEC_ENCODE_CB(qsv_enc_frame),
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.close = qsv_enc_close,
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.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
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.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_P010,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.p.priv_class = &class,
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.defaults = qsv_enc_defaults,
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.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
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FF_CODEC_CAP_INIT_CLEANUP,
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.p.wrapper_name = "qsv",
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.hw_configs = ff_qsv_enc_hw_configs,
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};
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