| /* | |
| * Intel MediaSDK QSV based HEVC encoder | |
| * | |
| * 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 "libavutil/mastering_display_metadata.h" | |
| #include "avcodec.h" | |
| #include "bytestream.h" | |
| #include "codec_internal.h" | |
| #include "get_bits.h" | |
| #include "hevc.h" | |
| #include "hevcdec.h" | |
| #include "h2645_parse.h" | |
| #include "qsv.h" | |
| #include "qsvenc.h" | |
| enum LoadPlugin { | |
| LOAD_PLUGIN_NONE, | |
| LOAD_PLUGIN_HEVC_SW, | |
| LOAD_PLUGIN_HEVC_HW, | |
| }; | |
| typedef struct QSVHEVCEncContext { | |
| AVClass *class; | |
| QSVEncContext qsv; | |
| int load_plugin; | |
| } QSVHEVCEncContext; | |
| static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx) | |
| { | |
| GetByteContext gbc; | |
| PutByteContext pbc; | |
| GetBitContext gb; | |
| H2645RBSP sps_rbsp = { NULL }; | |
| H2645NAL sps_nal = { NULL }; | |
| HEVCSPS sps = { 0 }; | |
| HEVCVPS vps = { 0 }; | |
| uint8_t vps_buf[128], vps_rbsp_buf[128]; | |
| uint8_t *new_extradata; | |
| unsigned int sps_id; | |
| int ret, i, type, vps_size; | |
| if (!avctx->extradata_size) { | |
| av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx\n"); | |
| return AVERROR_UNKNOWN; | |
| } | |
| av_fast_padded_malloc(&sps_rbsp.rbsp_buffer, &sps_rbsp.rbsp_buffer_alloc_size, avctx->extradata_size); | |
| if (!sps_rbsp.rbsp_buffer) | |
| return AVERROR(ENOMEM); | |
| /* parse the SPS */ | |
| ret = ff_h2645_extract_rbsp(avctx->extradata + 4, avctx->extradata_size - 4, &sps_rbsp, &sps_nal, 1); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Error unescaping the SPS buffer\n"); | |
| return ret; | |
| } | |
| ret = init_get_bits8(&gb, sps_nal.data, sps_nal.size); | |
| if (ret < 0) { | |
| av_freep(&sps_rbsp.rbsp_buffer); | |
| return ret; | |
| } | |
| get_bits(&gb, 1); | |
| type = get_bits(&gb, 6); | |
| if (type != HEVC_NAL_SPS) { | |
| av_log(avctx, AV_LOG_ERROR, "Unexpected NAL type in the extradata: %d\n", | |
| type); | |
| av_freep(&sps_rbsp.rbsp_buffer); | |
| return AVERROR_INVALIDDATA; | |
| } | |
| get_bits(&gb, 9); | |
| ret = ff_hevc_parse_sps(&sps, &gb, &sps_id, 0, NULL, avctx); | |
| av_freep(&sps_rbsp.rbsp_buffer); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Error parsing the SPS\n"); | |
| return ret; | |
| } | |
| /* generate the VPS */ | |
| vps.vps_max_layers = 1; | |
| vps.vps_max_sub_layers = sps.max_sub_layers; | |
| vps.vps_temporal_id_nesting_flag = sps.temporal_id_nesting_flag; | |
| memcpy(&vps.ptl, &sps.ptl, sizeof(vps.ptl)); | |
| vps.vps_sub_layer_ordering_info_present_flag = 1; | |
| for (i = 0; i < HEVC_MAX_SUB_LAYERS; i++) { | |
| vps.vps_max_dec_pic_buffering[i] = sps.temporal_layer[i].max_dec_pic_buffering; | |
| vps.vps_num_reorder_pics[i] = sps.temporal_layer[i].num_reorder_pics; | |
| vps.vps_max_latency_increase[i] = sps.temporal_layer[i].max_latency_increase; | |
| } | |
| vps.vps_num_layer_sets = 1; | |
| vps.vps_timing_info_present_flag = sps.vui.vui_timing_info_present_flag; | |
| vps.vps_num_units_in_tick = sps.vui.vui_num_units_in_tick; | |
| vps.vps_time_scale = sps.vui.vui_time_scale; | |
| vps.vps_poc_proportional_to_timing_flag = sps.vui.vui_poc_proportional_to_timing_flag; | |
| vps.vps_num_ticks_poc_diff_one = sps.vui.vui_num_ticks_poc_diff_one_minus1 + 1; | |
| vps.vps_num_hrd_parameters = 0; | |
| /* generate the encoded RBSP form of the VPS */ | |
| ret = ff_hevc_encode_nal_vps(&vps, sps.vps_id, vps_rbsp_buf, sizeof(vps_rbsp_buf)); | |
| if (ret < 0) { | |
| av_log(avctx, AV_LOG_ERROR, "Error writing the VPS\n"); | |
| return ret; | |
| } | |
| /* escape and add the startcode */ | |
| bytestream2_init(&gbc, vps_rbsp_buf, ret); | |
| bytestream2_init_writer(&pbc, vps_buf, sizeof(vps_buf)); | |
| bytestream2_put_be32(&pbc, 1); // startcode | |
| bytestream2_put_byte(&pbc, HEVC_NAL_VPS << 1); // NAL | |
| bytestream2_put_byte(&pbc, 1); // header | |
| while (bytestream2_get_bytes_left(&gbc)) { | |
| if (bytestream2_get_bytes_left(&gbc) >= 3 && bytestream2_peek_be24(&gbc) <= 3) { | |
| bytestream2_put_be24(&pbc, 3); | |
| bytestream2_skip(&gbc, 2); | |
| } else | |
| bytestream2_put_byte(&pbc, bytestream2_get_byte(&gbc)); | |
| } | |
| vps_size = bytestream2_tell_p(&pbc); | |
| new_extradata = av_mallocz(vps_size + avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); | |
| if (!new_extradata) | |
| return AVERROR(ENOMEM); | |
| memcpy(new_extradata, vps_buf, vps_size); | |
| memcpy(new_extradata + vps_size, avctx->extradata, avctx->extradata_size); | |
| av_freep(&avctx->extradata); | |
| avctx->extradata = new_extradata; | |
| avctx->extradata_size += vps_size; | |
| return 0; | |
| } | |
| static int qsv_hevc_set_encode_ctrl(AVCodecContext *avctx, | |
| const AVFrame *frame, mfxEncodeCtrl *enc_ctrl) | |
| { | |
| QSVHEVCEncContext *q = avctx->priv_data; | |
| AVFrameSideData *sd; | |
| if (!frame || !QSV_RUNTIME_VERSION_ATLEAST(q->qsv.ver, 1, 25)) | |
| return 0; | |
| sd = av_frame_get_side_data(frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA); | |
| if (sd) { | |
| AVMasteringDisplayMetadata *mdm = (AVMasteringDisplayMetadata *)sd->data; | |
| // SEI is needed when both the primaries and luminance are set | |
| if (mdm->has_primaries && mdm->has_luminance) { | |
| const int mapping[3] = {1, 2, 0}; | |
| const int chroma_den = 50000; | |
| const int luma_den = 10000; | |
| int i; | |
| mfxExtMasteringDisplayColourVolume *mdcv = av_mallocz(sizeof(mfxExtMasteringDisplayColourVolume)); | |
| if (!mdcv) | |
| return AVERROR(ENOMEM); | |
| mdcv->Header.BufferId = MFX_EXTBUFF_MASTERING_DISPLAY_COLOUR_VOLUME; | |
| mdcv->Header.BufferSz = sizeof(*mdcv); | |
| for (i = 0; i < 3; i++) { | |
| const int j = mapping[i]; | |
| mdcv->DisplayPrimariesX[i] = | |
| FFMIN(lrint(chroma_den * | |
| av_q2d(mdm->display_primaries[j][0])), | |
| chroma_den); | |
| mdcv->DisplayPrimariesY[i] = | |
| FFMIN(lrint(chroma_den * | |
| av_q2d(mdm->display_primaries[j][1])), | |
| chroma_den); | |
| } | |
| mdcv->WhitePointX = | |
| FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])), | |
| chroma_den); | |
| mdcv->WhitePointY = | |
| FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])), | |
| chroma_den); | |
| mdcv->MaxDisplayMasteringLuminance = | |
| lrint(luma_den * av_q2d(mdm->max_luminance)); | |
| mdcv->MinDisplayMasteringLuminance = | |
| FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)), | |
| mdcv->MaxDisplayMasteringLuminance); | |
| enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)mdcv; | |
| } | |
| } | |
| sd = av_frame_get_side_data(frame, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL); | |
| if (sd) { | |
| AVContentLightMetadata *clm = (AVContentLightMetadata *)sd->data; | |
| mfxExtContentLightLevelInfo * clli = av_mallocz(sizeof(mfxExtContentLightLevelInfo)); | |
| if (!clli) | |
| return AVERROR(ENOMEM); | |
| clli->Header.BufferId = MFX_EXTBUFF_CONTENT_LIGHT_LEVEL_INFO; | |
| clli->Header.BufferSz = sizeof(*clli); | |
| clli->MaxContentLightLevel = FFMIN(clm->MaxCLL, 65535); | |
| clli->MaxPicAverageLightLevel = FFMIN(clm->MaxFALL, 65535); | |
| enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)clli; | |
| } | |
| return 0; | |
| } | |
| static av_cold int qsv_enc_init(AVCodecContext *avctx) | |
| { | |
| QSVHEVCEncContext *q = avctx->priv_data; | |
| int ret; | |
| if (q->load_plugin != LOAD_PLUGIN_NONE) { | |
| static const char * const uid_hevcenc_sw = "2fca99749fdb49aeb121a5b63ef568f7"; | |
| static const char * const uid_hevcenc_hw = "6fadc791a0c2eb479ab6dcd5ea9da347"; | |
| if (q->qsv.load_plugins[0]) { | |
| av_log(avctx, AV_LOG_WARNING, | |
| "load_plugins is not empty, but load_plugin is not set to 'none'." | |
| "The load_plugin value will be ignored.\n"); | |
| } else { | |
| av_freep(&q->qsv.load_plugins); | |
| if (q->load_plugin == LOAD_PLUGIN_HEVC_SW) | |
| q->qsv.load_plugins = av_strdup(uid_hevcenc_sw); | |
| else | |
| q->qsv.load_plugins = av_strdup(uid_hevcenc_hw); | |
| if (!q->qsv.load_plugins) | |
| return AVERROR(ENOMEM); | |
| } | |
| } | |
| // HEVC and H264 meaning of the value is shifted by 1, make it consistent | |
| q->qsv.idr_interval++; | |
| q->qsv.set_encode_ctrl_cb = qsv_hevc_set_encode_ctrl; | |
| ret = ff_qsv_enc_init(avctx, &q->qsv); | |
| if (ret < 0) | |
| return ret; | |
| if (!q->qsv.hevc_vps) { | |
| ret = generate_fake_vps(&q->qsv, avctx); | |
| if (ret < 0) { | |
| ff_qsv_enc_close(avctx, &q->qsv); | |
| return ret; | |
| } | |
| } | |
| return 0; | |
| } | |
| static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, | |
| const AVFrame *frame, int *got_packet) | |
| { | |
| QSVHEVCEncContext *q = avctx->priv_data; | |
| return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet); | |
| } | |
| static av_cold int qsv_enc_close(AVCodecContext *avctx) | |
| { | |
| QSVHEVCEncContext *q = avctx->priv_data; | |
| return ff_qsv_enc_close(avctx, &q->qsv); | |
| } | |
| #define OFFSET(x) offsetof(QSVHEVCEncContext, 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_MBBRC | |
| QSV_OPTION_EXTBRC | |
| QSV_OPTION_P_STRATEGY | |
| QSV_OPTION_B_STRATEGY | |
| QSV_OPTION_DBLK_IDC | |
| QSV_OPTION_LOW_DELAY_BRC | |
| QSV_OPTION_MAX_MIN_QP | |
| QSV_OPTION_ADAPTIVE_I | |
| QSV_OPTION_ADAPTIVE_B | |
| QSV_OPTION_SCENARIO | |
| QSV_OPTION_AVBR | |
| QSV_OPTION_SKIP_FRAME | |
| #if QSV_HAVE_HE | |
| QSV_HE_OPTIONS | |
| #endif | |
| { "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, -1, INT_MAX, VE, .unit = "idr_interval" }, | |
| { "begin_only", "Output an IDR-frame only at the beginning of the stream", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, .unit = "idr_interval" }, | |
| { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_HW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VE, .unit = "load_plugin" }, | |
| { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VE, .unit = "load_plugin" }, | |
| { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VE, .unit = "load_plugin" }, | |
| { "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VE, .unit = "load_plugin" }, | |
| { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session", | |
| OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VE }, | |
| { "look_ahead_depth", "Depth of look ahead in number frames, available when extbrc option is enabled", OFFSET(qsv.look_ahead_depth), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 100, VE }, | |
| { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, .unit = "profile" }, | |
| { "unknown", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| { "main10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10 }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| { "mainsp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| { "rext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_REXT }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| #if QSV_VERSION_ATLEAST(1, 32) | |
| { "scc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_SCC }, INT_MIN, INT_MAX, VE, .unit = "profile" }, | |
| #endif | |
| { "tier", "Set the encoding tier (only level >= 4 can support high tier)", OFFSET(qsv.tier), AV_OPT_TYPE_INT, { .i64 = MFX_TIER_HEVC_HIGH }, MFX_TIER_HEVC_MAIN, MFX_TIER_HEVC_HIGH, VE, .unit = "tier" }, | |
| { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TIER_HEVC_MAIN }, INT_MIN, INT_MAX, VE, .unit = "tier" }, | |
| { "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TIER_HEVC_HIGH }, INT_MIN, INT_MAX, VE, .unit = "tier" }, | |
| { "gpb", "1: GPB (generalized P/B frame); 0: regular P frame", OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE}, | |
| { "tile_cols", "Number of columns for tiled encoding", OFFSET(qsv.tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE }, | |
| { "tile_rows", "Number of rows for tiled encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE }, | |
| { "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, | |
| { "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, 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 }, | |
| { "transform_skip", "Turn this option ON to enable transformskip", OFFSET(qsv.transform_skip), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE}, | |
| { "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, .unit = "int_ref_type" }, | |
| { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, .unit = "int_ref_type" }, | |
| { "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, .unit = "int_ref_type" }, | |
| { "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE, .unit = "int_ref_type" }, | |
| { "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .flags = VE, .unit = "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 }, | |
| { "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 }, | |
| { NULL }, | |
| }; | |
| static const AVClass class = { | |
| .class_name = "hevc_qsv encoder", | |
| .item_name = av_default_item_name, | |
| .option = options, | |
| .version = LIBAVUTIL_VERSION_INT, | |
| }; | |
| static const FFCodecDefault qsv_enc_defaults[] = { | |
| { "b", "0" }, | |
| { "refs", "0" }, | |
| { "g", "248" }, | |
| { "bf", "-1" }, | |
| { "qmin", "-1" }, | |
| { "qmax", "-1" }, | |
| { "trellis", "-1" }, | |
| { NULL }, | |
| }; | |
| const FFCodec ff_hevc_qsv_encoder = { | |
| .p.name = "hevc_qsv", | |
| CODEC_LONG_NAME("HEVC (Intel Quick Sync Video acceleration)"), | |
| .priv_data_size = sizeof(QSVHEVCEncContext), | |
| .p.type = AVMEDIA_TYPE_VIDEO, | |
| .p.id = AV_CODEC_ID_HEVC, | |
| .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_P012, | |
| AV_PIX_FMT_YUYV422, | |
| AV_PIX_FMT_Y210, | |
| AV_PIX_FMT_QSV, | |
| AV_PIX_FMT_BGRA, | |
| AV_PIX_FMT_X2RGB10, | |
| AV_PIX_FMT_VUYX, | |
| AV_PIX_FMT_XV30, | |
| 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, | |
| }; |