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414 lines
17 KiB
414 lines
17 KiB
/* |
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* Intel MediaSDK QSV based HEVC encoder |
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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 "libavutil/mastering_display_metadata.h" |
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#include "avcodec.h" |
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#include "bytestream.h" |
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#include "codec_internal.h" |
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#include "get_bits.h" |
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#include "hevc.h" |
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#include "hevcdec.h" |
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#include "h2645_parse.h" |
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#include "qsv.h" |
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#include "qsvenc.h" |
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enum LoadPlugin { |
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LOAD_PLUGIN_NONE, |
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LOAD_PLUGIN_HEVC_SW, |
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LOAD_PLUGIN_HEVC_HW, |
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}; |
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typedef struct QSVHEVCEncContext { |
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AVClass *class; |
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QSVEncContext qsv; |
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int load_plugin; |
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} QSVHEVCEncContext; |
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static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx) |
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{ |
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GetByteContext gbc; |
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PutByteContext pbc; |
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GetBitContext gb; |
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H2645RBSP sps_rbsp = { NULL }; |
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H2645NAL sps_nal = { NULL }; |
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HEVCSPS sps = { 0 }; |
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HEVCVPS vps = { 0 }; |
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uint8_t vps_buf[128], vps_rbsp_buf[128]; |
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uint8_t *new_extradata; |
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unsigned int sps_id; |
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int ret, i, type, vps_size; |
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if (!avctx->extradata_size) { |
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av_log(avctx, AV_LOG_ERROR, "No extradata returned from libmfx\n"); |
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return AVERROR_UNKNOWN; |
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} |
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av_fast_padded_malloc(&sps_rbsp.rbsp_buffer, &sps_rbsp.rbsp_buffer_alloc_size, avctx->extradata_size); |
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if (!sps_rbsp.rbsp_buffer) |
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return AVERROR(ENOMEM); |
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|
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/* parse the SPS */ |
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ret = ff_h2645_extract_rbsp(avctx->extradata + 4, avctx->extradata_size - 4, &sps_rbsp, &sps_nal, 1); |
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if (ret < 0) { |
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av_log(avctx, AV_LOG_ERROR, "Error unescaping the SPS buffer\n"); |
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return ret; |
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} |
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ret = init_get_bits8(&gb, sps_nal.data, sps_nal.size); |
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if (ret < 0) { |
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av_freep(&sps_rbsp.rbsp_buffer); |
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return ret; |
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} |
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get_bits(&gb, 1); |
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type = get_bits(&gb, 6); |
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if (type != HEVC_NAL_SPS) { |
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av_log(avctx, AV_LOG_ERROR, "Unexpected NAL type in the extradata: %d\n", |
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type); |
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av_freep(&sps_rbsp.rbsp_buffer); |
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return AVERROR_INVALIDDATA; |
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} |
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get_bits(&gb, 9); |
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ret = ff_hevc_parse_sps(&sps, &gb, &sps_id, 0, NULL, avctx); |
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av_freep(&sps_rbsp.rbsp_buffer); |
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if (ret < 0) { |
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av_log(avctx, AV_LOG_ERROR, "Error parsing the SPS\n"); |
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return ret; |
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} |
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/* generate the VPS */ |
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vps.vps_max_layers = 1; |
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vps.vps_max_sub_layers = sps.max_sub_layers; |
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vps.vps_temporal_id_nesting_flag = sps.temporal_id_nesting_flag; |
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memcpy(&vps.ptl, &sps.ptl, sizeof(vps.ptl)); |
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vps.vps_sub_layer_ordering_info_present_flag = 1; |
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for (i = 0; i < HEVC_MAX_SUB_LAYERS; i++) { |
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vps.vps_max_dec_pic_buffering[i] = sps.temporal_layer[i].max_dec_pic_buffering; |
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vps.vps_num_reorder_pics[i] = sps.temporal_layer[i].num_reorder_pics; |
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vps.vps_max_latency_increase[i] = sps.temporal_layer[i].max_latency_increase; |
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} |
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vps.vps_num_layer_sets = 1; |
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vps.vps_timing_info_present_flag = sps.vui.vui_timing_info_present_flag; |
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vps.vps_num_units_in_tick = sps.vui.vui_num_units_in_tick; |
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vps.vps_time_scale = sps.vui.vui_time_scale; |
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vps.vps_poc_proportional_to_timing_flag = sps.vui.vui_poc_proportional_to_timing_flag; |
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vps.vps_num_ticks_poc_diff_one = sps.vui.vui_num_ticks_poc_diff_one_minus1 + 1; |
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vps.vps_num_hrd_parameters = 0; |
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/* generate the encoded RBSP form of the VPS */ |
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ret = ff_hevc_encode_nal_vps(&vps, sps.vps_id, vps_rbsp_buf, sizeof(vps_rbsp_buf)); |
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if (ret < 0) { |
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av_log(avctx, AV_LOG_ERROR, "Error writing the VPS\n"); |
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return ret; |
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} |
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/* escape and add the startcode */ |
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bytestream2_init(&gbc, vps_rbsp_buf, ret); |
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bytestream2_init_writer(&pbc, vps_buf, sizeof(vps_buf)); |
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bytestream2_put_be32(&pbc, 1); // startcode |
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bytestream2_put_byte(&pbc, HEVC_NAL_VPS << 1); // NAL |
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bytestream2_put_byte(&pbc, 1); // header |
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while (bytestream2_get_bytes_left(&gbc)) { |
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if (bytestream2_get_bytes_left(&gbc) >= 3 && bytestream2_peek_be24(&gbc) <= 3) { |
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bytestream2_put_be24(&pbc, 3); |
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bytestream2_skip(&gbc, 2); |
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} else |
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bytestream2_put_byte(&pbc, bytestream2_get_byte(&gbc)); |
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} |
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vps_size = bytestream2_tell_p(&pbc); |
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new_extradata = av_mallocz(vps_size + avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); |
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if (!new_extradata) |
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return AVERROR(ENOMEM); |
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memcpy(new_extradata, vps_buf, vps_size); |
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memcpy(new_extradata + vps_size, avctx->extradata, avctx->extradata_size); |
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av_freep(&avctx->extradata); |
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avctx->extradata = new_extradata; |
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avctx->extradata_size += vps_size; |
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return 0; |
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} |
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static int qsv_hevc_set_encode_ctrl(AVCodecContext *avctx, |
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const AVFrame *frame, mfxEncodeCtrl *enc_ctrl) |
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{ |
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QSVHEVCEncContext *q = avctx->priv_data; |
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AVFrameSideData *sd; |
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if (!frame || !QSV_RUNTIME_VERSION_ATLEAST(q->qsv.ver, 1, 25)) |
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return 0; |
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sd = av_frame_get_side_data(frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA); |
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if (sd) { |
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AVMasteringDisplayMetadata *mdm = (AVMasteringDisplayMetadata *)sd->data; |
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// SEI is needed when both the primaries and luminance are set |
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if (mdm->has_primaries && mdm->has_luminance) { |
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const int mapping[3] = {1, 2, 0}; |
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const int chroma_den = 50000; |
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const int luma_den = 10000; |
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int i; |
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mfxExtMasteringDisplayColourVolume *mdcv = av_mallocz(sizeof(mfxExtMasteringDisplayColourVolume)); |
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if (!mdcv) |
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return AVERROR(ENOMEM); |
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mdcv->Header.BufferId = MFX_EXTBUFF_MASTERING_DISPLAY_COLOUR_VOLUME; |
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mdcv->Header.BufferSz = sizeof(*mdcv); |
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for (i = 0; i < 3; i++) { |
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const int j = mapping[i]; |
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mdcv->DisplayPrimariesX[i] = |
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FFMIN(lrint(chroma_den * |
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av_q2d(mdm->display_primaries[j][0])), |
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chroma_den); |
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mdcv->DisplayPrimariesY[i] = |
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FFMIN(lrint(chroma_den * |
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av_q2d(mdm->display_primaries[j][1])), |
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chroma_den); |
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} |
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mdcv->WhitePointX = |
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FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[0])), |
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chroma_den); |
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mdcv->WhitePointY = |
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FFMIN(lrint(chroma_den * av_q2d(mdm->white_point[1])), |
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chroma_den); |
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mdcv->MaxDisplayMasteringLuminance = |
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lrint(luma_den * av_q2d(mdm->max_luminance)); |
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mdcv->MinDisplayMasteringLuminance = |
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FFMIN(lrint(luma_den * av_q2d(mdm->min_luminance)), |
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mdcv->MaxDisplayMasteringLuminance); |
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enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)mdcv; |
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} |
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} |
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sd = av_frame_get_side_data(frame, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL); |
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if (sd) { |
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AVContentLightMetadata *clm = (AVContentLightMetadata *)sd->data; |
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mfxExtContentLightLevelInfo * clli = av_mallocz(sizeof(mfxExtContentLightLevelInfo)); |
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if (!clli) |
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return AVERROR(ENOMEM); |
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clli->Header.BufferId = MFX_EXTBUFF_CONTENT_LIGHT_LEVEL_INFO; |
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clli->Header.BufferSz = sizeof(*clli); |
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clli->MaxContentLightLevel = FFMIN(clm->MaxCLL, 65535); |
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clli->MaxPicAverageLightLevel = FFMIN(clm->MaxFALL, 65535); |
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enc_ctrl->ExtParam[enc_ctrl->NumExtParam++] = (mfxExtBuffer *)clli; |
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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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QSVHEVCEncContext *q = avctx->priv_data; |
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int ret; |
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if (q->load_plugin != LOAD_PLUGIN_NONE) { |
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static const char * const uid_hevcenc_sw = "2fca99749fdb49aeb121a5b63ef568f7"; |
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static const char * const uid_hevcenc_hw = "6fadc791a0c2eb479ab6dcd5ea9da347"; |
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if (q->qsv.load_plugins[0]) { |
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av_log(avctx, AV_LOG_WARNING, |
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"load_plugins is not empty, but load_plugin is not set to 'none'." |
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"The load_plugin value will be ignored.\n"); |
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} else { |
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av_freep(&q->qsv.load_plugins); |
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if (q->load_plugin == LOAD_PLUGIN_HEVC_SW) |
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q->qsv.load_plugins = av_strdup(uid_hevcenc_sw); |
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else |
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q->qsv.load_plugins = av_strdup(uid_hevcenc_hw); |
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if (!q->qsv.load_plugins) |
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return AVERROR(ENOMEM); |
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} |
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} |
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// HEVC and H264 meaning of the value is shifted by 1, make it consistent |
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q->qsv.idr_interval++; |
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q->qsv.set_encode_ctrl_cb = qsv_hevc_set_encode_ctrl; |
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ret = ff_qsv_enc_init(avctx, &q->qsv); |
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if (ret < 0) |
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return ret; |
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if (!q->qsv.hevc_vps) { |
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ret = generate_fake_vps(&q->qsv, avctx); |
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if (ret < 0) { |
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ff_qsv_enc_close(avctx, &q->qsv); |
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return ret; |
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} |
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} |
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return 0; |
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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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QSVHEVCEncContext *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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QSVHEVCEncContext *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(QSVHEVCEncContext, 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_MBBRC |
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QSV_OPTION_EXTBRC |
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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_ADAPTIVE_I |
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QSV_OPTION_ADAPTIVE_B |
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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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#if QSV_HAVE_HE |
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QSV_HE_OPTIONS |
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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 }, -1, INT_MAX, VE, "idr_interval" }, |
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{ "begin_only", "Output an IDR-frame only at the beginning of the stream", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, VE, "idr_interval" }, |
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{ "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, "load_plugin" }, |
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{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VE, "load_plugin" }, |
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{ "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VE, "load_plugin" }, |
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{ "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VE, "load_plugin" }, |
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{ "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session", |
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OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VE }, |
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{ "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 }, |
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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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{ "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" }, |
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{ "main10", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAIN10 }, INT_MIN, INT_MAX, VE, "profile" }, |
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{ "mainsp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_MAINSP }, INT_MIN, INT_MAX, VE, "profile" }, |
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{ "rext", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_REXT }, INT_MIN, INT_MAX, VE, "profile" }, |
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#if QSV_VERSION_ATLEAST(1, 32) |
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{ "scc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_HEVC_SCC }, INT_MIN, INT_MAX, VE, "profile" }, |
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#endif |
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{ "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, "tier" }, |
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{ "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TIER_HEVC_MAIN }, INT_MIN, INT_MAX, VE, "tier" }, |
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{ "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TIER_HEVC_HIGH }, INT_MIN, INT_MAX, VE, "tier" }, |
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{ "gpb", "1: GPB (generalized P/B frame); 0: regular P frame", OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE}, |
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{ "tile_cols", "Number of columns for tiled encoding", OFFSET(qsv.tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE }, |
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{ "tile_rows", "Number of rows for tiled encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_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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{ "aud", "Insert the Access Unit Delimiter NAL", OFFSET(qsv.aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, 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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{ "transform_skip", "Turn this option ON to enable transformskip", OFFSET(qsv.transform_skip), AV_OPT_TYPE_INT, { .i64 = -1}, -1, 1, VE}, |
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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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{ "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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|
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{ NULL }, |
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}; |
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static const AVClass class = { |
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.class_name = "hevc_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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|
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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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{ NULL }, |
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}; |
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|
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const FFCodec ff_hevc_qsv_encoder = { |
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.p.name = "hevc_qsv", |
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CODEC_LONG_NAME("HEVC (Intel Quick Sync Video acceleration)"), |
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.priv_data_size = sizeof(QSVHEVCEncContext), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_HEVC, |
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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_P012, |
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AV_PIX_FMT_YUYV422, |
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AV_PIX_FMT_Y210, |
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AV_PIX_FMT_QSV, |
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AV_PIX_FMT_BGRA, |
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AV_PIX_FMT_X2RGB10, |
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AV_PIX_FMT_VUYX, |
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AV_PIX_FMT_XV30, |
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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 | |
|
FF_CODEC_CAP_INIT_CLEANUP, |
|
.p.wrapper_name = "qsv", |
|
.hw_configs = ff_qsv_enc_hw_configs, |
|
};
|
|
|