/* * Intel MediaSDK QSV based H.264 encoder * * copyright (c) 2013 Yukinori Yamazoe * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdint.h> #include <sys/types.h> #include <mfx/mfxvideo.h> #include "libavutil/common.h" #include "libavutil/opt.h" #include "avcodec.h" #include "internal.h" #include "qsv.h" #include "qsv_internal.h" #include "qsvenc.h" typedef struct QSVH264EncContext { AVClass *class; QSVEncContext qsv; } QSVH264EncContext; static int qsv_h264_set_encode_ctrl(AVCodecContext *avctx, const AVFrame *frame, mfxEncodeCtrl* enc_ctrl) { QSVH264EncContext *qh264 = avctx->priv_data; QSVEncContext *q = &qh264->qsv; if (q->a53_cc && frame) { mfxPayload* payload; mfxU8* sei_data; size_t sei_size; int res; res = ff_alloc_a53_sei(frame, sizeof(mfxPayload) + 2, (void**)&payload, &sei_size); if (res < 0 || !payload) return res; sei_data = (mfxU8*)(payload + 1); // SEI header sei_data[0] = 4; sei_data[1] = (mfxU8)sei_size; // size of SEI data // SEI data filled in by ff_alloc_a53_sei payload->BufSize = sei_size + 2; payload->NumBit = payload->BufSize * 8; payload->Type = 4; payload->Data = sei_data; enc_ctrl->NumExtParam = 0; enc_ctrl->NumPayload = 1; enc_ctrl->Payload[0] = payload; } return 0; } static av_cold int qsv_enc_init(AVCodecContext *avctx) { QSVH264EncContext *q = avctx->priv_data; q->qsv.set_encode_ctrl_cb = qsv_h264_set_encode_ctrl; return ff_qsv_enc_init(avctx, &q->qsv); } static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *frame, int *got_packet) { QSVH264EncContext *q = avctx->priv_data; return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet); } static av_cold int qsv_enc_close(AVCodecContext *avctx) { QSVH264EncContext *q = avctx->priv_data; return ff_qsv_enc_close(avctx, &q->qsv); } #define OFFSET(x) offsetof(QSVH264EncContext, x) #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM static const AVOption options[] = { QSV_COMMON_OPTS { "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, #if QSV_HAVE_VCM { "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, #endif { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, { "pic_timing_sei", "Insert picture timing SEI with pic_struct_syntax element", OFFSET(qsv.pic_timing_sei), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE }, { "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 }, { "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 }, #if QSV_HAVE_LA { "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, { "look_ahead_depth", "Depth of look ahead in number frames", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE }, #endif #if QSV_HAVE_LA_DS { "look_ahead_downsampling", "Downscaling factor for the frames saved for the lookahead analysis", OFFSET(qsv.look_ahead_downsampling), AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_4x, VE, "look_ahead_downsampling" }, { "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, { "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, { "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_OFF }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, { "2x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_2x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, { "4x" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_LOOKAHEAD_DS_4x }, INT_MIN, INT_MAX, VE, "look_ahead_downsampling" }, #endif { "int_ref_type", "Intra refresh type", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" }, { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" }, { "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" }, { "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 }, { "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 }, { "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, { "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" }, { "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" }, { "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" }, { "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" }, { "a53cc" , "Use A53 Closed Captions (if available)", OFFSET(qsv.a53_cc), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, VE}, { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE}, #if QSV_HAVE_MF { "mfmode", "Multi-Frame Mode", OFFSET(qsv.mfmode), AV_OPT_TYPE_INT, { .i64 = MFX_MF_AUTO }, MFX_MF_DEFAULT, MFX_MF_AUTO, VE, "mfmode"}, { "off" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_DISABLED }, INT_MIN, INT_MAX, VE, "mfmode" }, { "auto" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_MF_AUTO }, INT_MIN, INT_MAX, VE, "mfmode" }, #endif { "repeat_pps", "repeat pps for every frame", OFFSET(qsv.repeat_pps), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, { NULL }, }; static const AVClass class = { .class_name = "h264_qsv encoder", .item_name = av_default_item_name, .option = options, .version = LIBAVUTIL_VERSION_INT, }; static const AVCodecDefault qsv_enc_defaults[] = { { "b", "1M" }, { "refs", "0" }, // same as the x264 default { "g", "250" }, { "bf", "3" }, { "qmin", "-1" }, { "qmax", "-1" }, #if FF_API_CODER_TYPE { "coder", "-1" }, #endif { "trellis", "-1" }, { "flags", "+cgop" }, #if FF_API_PRIVATE_OPT { "b_strategy", "-1" }, #endif { NULL }, }; AVCodec ff_h264_qsv_encoder = { .name = "h264_qsv", .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"), .priv_data_size = sizeof(QSVH264EncContext), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_H264, .init = qsv_enc_init, .encode2 = qsv_enc_frame, .close = qsv_enc_close, .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID, .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, AV_PIX_FMT_P010, AV_PIX_FMT_QSV, AV_PIX_FMT_NONE }, .priv_class = &class, .defaults = qsv_enc_defaults, .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, .wrapper_name = "qsv", .hw_configs = ff_qsv_enc_hw_configs, };