| /* |
| * Intel MediaSDK QSV based H.264 enccoder |
| * |
| * 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/opt.h" |
| |
| #include "avcodec.h" |
| #include "internal.h" |
| #include "h264.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) |
| { |
| AVFrameSideData *side_data = NULL; |
| QSVH264EncContext *qh264 = avctx->priv_data; |
| QSVEncContext *q = &qh264->qsv; |
| |
| if (q->a53_cc && frame) { |
| side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_A53_CC); |
| if (side_data) { |
| |
| int sei_payload_size = 0; |
| mfxU8* sei_data = NULL; |
| mfxPayload* payload = NULL; |
| |
| sei_payload_size = side_data->size + 13; |
| |
| sei_data = av_mallocz(sei_payload_size); |
| if (!sei_data) { |
| av_log(avctx, AV_LOG_ERROR, "No memory for CC, skipping...\n"); |
| return AVERROR(ENOMEM); |
| } |
| |
| // SEI header |
| sei_data[0] = 4; |
| sei_data[1] = sei_payload_size - 2; // size of SEI data |
| |
| // country code |
| sei_data[2] = 181; |
| sei_data[3] = 0; |
| sei_data[4] = 49; |
| |
| // ATSC_identifier - using 'GA94' only |
| AV_WL32(sei_data + 5, |
| MKTAG('G', 'A', '9', '4')); |
| sei_data[9] = 3; |
| sei_data[10] = |
| ((side_data->size/3) & 0x1f) | 0xC0; |
| |
| sei_data[11] = 0xFF; // reserved |
| |
| memcpy(sei_data + 12, side_data->data, side_data->size); |
| |
| sei_data[side_data->size+12] = 255; |
| |
| payload = av_mallocz(sizeof(mfxPayload)); |
| if (!payload) { |
| av_log(avctx, AV_LOG_ERROR, "No memory, skipping captions\n"); |
| av_freep(&sei_data); |
| return AVERROR(ENOMEM); |
| } |
| payload->BufSize = side_data->size + 13; |
| 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 |
| |
| { "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 = 1 }, 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_VERSION_ATLEAST(1,8) |
| { "look_ahead_downsampling", NULL, OFFSET(qsv.look_ahead_downsampling), AV_OPT_TYPE_INT, { .i64 = MFX_LOOKAHEAD_DS_UNKNOWN }, MFX_LOOKAHEAD_DS_UNKNOWN, MFX_LOOKAHEAD_DS_2x, VE, "look_ahead_downsampling" }, |
| { "unknown" , 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" }, |
| #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 }, |
| |
| { "trellis", "Trellis quantization", OFFSET(qsv.trellis), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, UINT_MAX, VE, "trellis" }, |
| { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_OFF }, .flags = VE, "trellis" }, |
| { "I", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_I }, .flags = VE, "trellis" }, |
| { "P", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_P }, .flags = VE, "trellis" }, |
| { "B", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_B }, .flags = VE, "trellis" }, |
| |
| { "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 = 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" }, |
| { "coder", "ac" }, |
| |
| { "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, |
| .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, |
| AV_PIX_FMT_QSV, |
| AV_PIX_FMT_NONE }, |
| .priv_class = &class, |
| .defaults = qsv_enc_defaults, |
| .caps_internal = FF_CODEC_CAP_INIT_CLEANUP, |
| }; |
