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- /*
- * 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 <mfxvideo.h>
- #include "libavutil/common.h"
- #include "libavutil/opt.h"
- #include "avcodec.h"
- #include "codec_internal.h"
- #include "qsv.h"
- #include "qsvenc.h"
- #include "atsc_a53.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
- QSV_OPTION_RDO
- QSV_OPTION_MAX_FRAME_SIZE
- QSV_OPTION_MAX_SLICE_SIZE
- QSV_OPTION_BITRATE_LIMIT
- QSV_OPTION_MBBRC
- QSV_OPTION_EXTBRC
- QSV_OPTION_ADAPTIVE_I
- QSV_OPTION_ADAPTIVE_B
- QSV_OPTION_P_STRATEGY
- QSV_OPTION_B_STRATEGY
- QSV_OPTION_DBLK_IDC
- QSV_OPTION_LOW_DELAY_BRC
- QSV_OPTION_MAX_MIN_QP
- QSV_OPTION_SCENARIO
- QSV_OPTION_AVBR
- QSV_OPTION_SKIP_FRAME
- { "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
- #if QSV_HAVE_VCM
- { "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_BOOL, { .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_BOOL, { .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 },
- { "look_ahead", "Use VBR algorithm with look ahead", OFFSET(qsv.look_ahead), AV_OPT_TYPE_BOOL, { .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 },
- { "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" },
- { "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" },
- { "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" },
- { "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE, "int_ref_type" },
- { "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .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 },
- { "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 },
- { "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_BOOL, {.i64 = 1}, 0, 1, VE},
- { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_BOOL, { .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 FFCodecDefault qsv_enc_defaults[] = {
- { "b", "1M" },
- { "refs", "0" },
- { "g", "-1" },
- { "bf", "-1" },
- { "qmin", "-1" },
- { "qmax", "-1" },
- { "trellis", "-1" },
- { "flags", "+cgop" },
- { NULL },
- };
- const FFCodec ff_h264_qsv_encoder = {
- .p.name = "h264_qsv",
- CODEC_LONG_NAME("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
- .priv_data_size = sizeof(QSVH264EncContext),
- .p.type = AVMEDIA_TYPE_VIDEO,
- .p.id = AV_CODEC_ID_H264,
- .init = qsv_enc_init,
- FF_CODEC_ENCODE_CB(qsv_enc_frame),
- .close = qsv_enc_close,
- .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
- .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
- AV_PIX_FMT_P010,
- AV_PIX_FMT_QSV,
- AV_PIX_FMT_NONE },
- .p.priv_class = &class,
- .defaults = qsv_enc_defaults,
- .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
- FF_CODEC_CAP_INIT_CLEANUP,
- .p.wrapper_name = "qsv",
- .hw_configs = ff_qsv_enc_hw_configs,
- };
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