| /* |
| * 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 <string.h> |
| |
| #include <va/va.h> |
| #include <va/va_enc_h264.h> |
| |
| #include "libavutil/avassert.h" |
| #include "libavutil/common.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/opt.h" |
| |
| #include "avcodec.h" |
| #include "cbs.h" |
| #include "cbs_h264.h" |
| #include "h264.h" |
| #include "h264_levels.h" |
| #include "h264_sei.h" |
| #include "internal.h" |
| #include "vaapi_encode.h" |
| |
| enum { |
| SEI_TIMING = 0x01, |
| SEI_IDENTIFIER = 0x02, |
| SEI_RECOVERY_POINT = 0x04, |
| }; |
| |
| // Random (version 4) ISO 11578 UUID. |
| static const uint8_t vaapi_encode_h264_sei_identifier_uuid[16] = { |
| 0x59, 0x94, 0x8b, 0x28, 0x11, 0xec, 0x45, 0xaf, |
| 0x96, 0x75, 0x19, 0xd4, 0x1f, 0xea, 0xa9, 0x4d, |
| }; |
| |
| typedef struct VAAPIEncodeH264Context { |
| VAAPIEncodeContext common; |
| |
| // User options. |
| int qp; |
| int quality; |
| int coder; |
| int aud; |
| int sei; |
| int profile; |
| int level; |
| |
| // Derived settings. |
| int mb_width; |
| int mb_height; |
| |
| int fixed_qp_idr; |
| int fixed_qp_p; |
| int fixed_qp_b; |
| |
| // Stream state. |
| int frame_num; |
| int pic_order_cnt; |
| int next_frame_num; |
| int64_t last_idr_frame; |
| int64_t idr_pic_count; |
| |
| int primary_pic_type; |
| int slice_type; |
| |
| int cpb_delay; |
| int dpb_delay; |
| |
| // Writer structures. |
| CodedBitstreamContext *cbc; |
| CodedBitstreamFragment current_access_unit; |
| |
| H264RawAUD raw_aud; |
| H264RawSPS raw_sps; |
| H264RawPPS raw_pps; |
| H264RawSEI raw_sei; |
| H264RawSlice raw_slice; |
| |
| H264RawSEIBufferingPeriod sei_buffering_period; |
| H264RawSEIPicTiming sei_pic_timing; |
| H264RawSEIRecoveryPoint sei_recovery_point; |
| H264RawSEIUserDataUnregistered sei_identifier; |
| char *sei_identifier_string; |
| |
| int aud_needed; |
| int sei_needed; |
| int sei_cbr_workaround_needed; |
| } VAAPIEncodeH264Context; |
| |
| |
| static int vaapi_encode_h264_write_access_unit(AVCodecContext *avctx, |
| char *data, size_t *data_len, |
| CodedBitstreamFragment *au) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| int err; |
| |
| err = ff_cbs_write_fragment_data(priv->cbc, au); |
| if (err < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to write packed header.\n"); |
| return err; |
| } |
| |
| if (*data_len < 8 * au->data_size - au->data_bit_padding) { |
| av_log(avctx, AV_LOG_ERROR, "Access unit too large: " |
| "%zu < %zu.\n", *data_len, |
| 8 * au->data_size - au->data_bit_padding); |
| return AVERROR(ENOSPC); |
| } |
| |
| memcpy(data, au->data, au->data_size); |
| *data_len = 8 * au->data_size - au->data_bit_padding; |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h264_add_nal(AVCodecContext *avctx, |
| CodedBitstreamFragment *au, |
| void *nal_unit) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| H264RawNALUnitHeader *header = nal_unit; |
| int err; |
| |
| err = ff_cbs_insert_unit_content(priv->cbc, au, -1, |
| header->nal_unit_type, nal_unit, NULL); |
| if (err < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to add NAL unit: " |
| "type = %d.\n", header->nal_unit_type); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h264_write_sequence_header(AVCodecContext *avctx, |
| char *data, size_t *data_len) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| CodedBitstreamFragment *au = &priv->current_access_unit; |
| int err; |
| |
| if (priv->aud_needed) { |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud); |
| if (err < 0) |
| goto fail; |
| priv->aud_needed = 0; |
| } |
| |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_sps); |
| if (err < 0) |
| goto fail; |
| |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_pps); |
| if (err < 0) |
| goto fail; |
| |
| err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au); |
| fail: |
| ff_cbs_fragment_uninit(priv->cbc, au); |
| return err; |
| } |
| |
| static int vaapi_encode_h264_write_slice_header(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic, |
| VAAPIEncodeSlice *slice, |
| char *data, size_t *data_len) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| CodedBitstreamFragment *au = &priv->current_access_unit; |
| int err; |
| |
| if (priv->aud_needed) { |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud); |
| if (err < 0) |
| goto fail; |
| priv->aud_needed = 0; |
| } |
| |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_slice); |
| if (err < 0) |
| goto fail; |
| |
| err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au); |
| fail: |
| ff_cbs_fragment_uninit(priv->cbc, au); |
| return err; |
| } |
| |
| static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic, |
| int index, int *type, |
| char *data, size_t *data_len) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| CodedBitstreamFragment *au = &priv->current_access_unit; |
| int err, i; |
| |
| if (priv->sei_needed) { |
| H264RawSEI *sei = &priv->raw_sei; |
| |
| if (priv->aud_needed) { |
| err = vaapi_encode_h264_add_nal(avctx, au, &priv->raw_aud); |
| if (err < 0) |
| goto fail; |
| priv->aud_needed = 0; |
| } |
| |
| *sei = (H264RawSEI) { |
| .nal_unit_header = { |
| .nal_unit_type = H264_NAL_SEI, |
| }, |
| }; |
| |
| i = 0; |
| |
| if (priv->sei_needed & SEI_IDENTIFIER) { |
| sei->payload[i].payload_type = H264_SEI_TYPE_USER_DATA_UNREGISTERED; |
| sei->payload[i].payload.user_data_unregistered = priv->sei_identifier; |
| ++i; |
| } |
| if (priv->sei_needed & SEI_TIMING) { |
| if (pic->type == PICTURE_TYPE_IDR) { |
| sei->payload[i].payload_type = H264_SEI_TYPE_BUFFERING_PERIOD; |
| sei->payload[i].payload.buffering_period = priv->sei_buffering_period; |
| ++i; |
| } |
| sei->payload[i].payload_type = H264_SEI_TYPE_PIC_TIMING; |
| sei->payload[i].payload.pic_timing = priv->sei_pic_timing; |
| ++i; |
| } |
| if (priv->sei_needed & SEI_RECOVERY_POINT) { |
| sei->payload[i].payload_type = H264_SEI_TYPE_RECOVERY_POINT; |
| sei->payload[i].payload.recovery_point = priv->sei_recovery_point; |
| ++i; |
| } |
| |
| sei->payload_count = i; |
| av_assert0(sei->payload_count > 0); |
| |
| err = vaapi_encode_h264_add_nal(avctx, au, sei); |
| if (err < 0) |
| goto fail; |
| priv->sei_needed = 0; |
| |
| err = vaapi_encode_h264_write_access_unit(avctx, data, data_len, au); |
| if (err < 0) |
| goto fail; |
| |
| ff_cbs_fragment_uninit(priv->cbc, au); |
| |
| *type = VAEncPackedHeaderRawData; |
| return 0; |
| |
| #if !CONFIG_VAAPI_1 |
| } else if (priv->sei_cbr_workaround_needed) { |
| // Insert a zero-length header using the old SEI type. This is |
| // required to avoid triggering broken behaviour on Intel platforms |
| // in CBR mode where an invalid SEI message is generated by the |
| // driver and inserted into the stream. |
| *data_len = 0; |
| *type = VAEncPackedHeaderH264_SEI; |
| priv->sei_cbr_workaround_needed = 0; |
| return 0; |
| #endif |
| |
| } else { |
| return AVERROR_EOF; |
| } |
| |
| fail: |
| ff_cbs_fragment_uninit(priv->cbc, au); |
| return err; |
| } |
| |
| static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| H264RawSPS *sps = &priv->raw_sps; |
| H264RawPPS *pps = &priv->raw_pps; |
| VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params; |
| VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params; |
| int dpb_frames; |
| |
| memset(&priv->current_access_unit, 0, |
| sizeof(priv->current_access_unit)); |
| |
| memset(sps, 0, sizeof(*sps)); |
| memset(pps, 0, sizeof(*pps)); |
| |
| sps->nal_unit_header.nal_ref_idc = 3; |
| sps->nal_unit_header.nal_unit_type = H264_NAL_SPS; |
| |
| sps->profile_idc = avctx->profile & 0xff; |
| |
| if (avctx->profile == FF_PROFILE_H264_CONSTRAINED_BASELINE || |
| avctx->profile == FF_PROFILE_H264_MAIN) |
| sps->constraint_set1_flag = 1; |
| |
| if (avctx->profile == FF_PROFILE_H264_HIGH) |
| sps->constraint_set3_flag = ctx->gop_size == 1; |
| |
| if (avctx->profile == FF_PROFILE_H264_MAIN || |
| avctx->profile == FF_PROFILE_H264_HIGH) { |
| sps->constraint_set4_flag = 1; |
| sps->constraint_set5_flag = ctx->b_per_p == 0; |
| } |
| |
| if (ctx->gop_size == 1) |
| dpb_frames = 0; |
| else |
| dpb_frames = 1 + (ctx->b_per_p > 0); |
| |
| if (avctx->level != FF_LEVEL_UNKNOWN) { |
| sps->level_idc = avctx->level; |
| } else { |
| const H264LevelDescriptor *level; |
| |
| level = ff_h264_guess_level(sps->profile_idc, |
| avctx->bit_rate, |
| priv->mb_width * 16, |
| priv->mb_height * 16, |
| dpb_frames); |
| if (level) { |
| av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name); |
| if (level->constraint_set3_flag) |
| sps->constraint_set3_flag = 1; |
| sps->level_idc = level->level_idc; |
| } else { |
| av_log(avctx, AV_LOG_WARNING, "Stream will not conform " |
| "to any level: using level 6.2.\n"); |
| sps->level_idc = 62; |
| } |
| } |
| |
| sps->seq_parameter_set_id = 0; |
| sps->chroma_format_idc = 1; |
| |
| sps->log2_max_frame_num_minus4 = 4; |
| sps->pic_order_cnt_type = 0; |
| sps->log2_max_pic_order_cnt_lsb_minus4 = |
| av_clip(av_log2(ctx->b_per_p + 1) - 2, 0, 12); |
| |
| sps->max_num_ref_frames = dpb_frames; |
| |
| sps->pic_width_in_mbs_minus1 = priv->mb_width - 1; |
| sps->pic_height_in_map_units_minus1 = priv->mb_height - 1; |
| |
| sps->frame_mbs_only_flag = 1; |
| sps->direct_8x8_inference_flag = 1; |
| |
| if (avctx->width != 16 * priv->mb_width || |
| avctx->height != 16 * priv->mb_height) { |
| sps->frame_cropping_flag = 1; |
| |
| sps->frame_crop_left_offset = 0; |
| sps->frame_crop_right_offset = |
| (16 * priv->mb_width - avctx->width) / 2; |
| sps->frame_crop_top_offset = 0; |
| sps->frame_crop_bottom_offset = |
| (16 * priv->mb_height - avctx->height) / 2; |
| } else { |
| sps->frame_cropping_flag = 0; |
| } |
| |
| sps->vui_parameters_present_flag = 1; |
| |
| if (avctx->sample_aspect_ratio.num != 0 && |
| avctx->sample_aspect_ratio.den != 0) { |
| static const AVRational sar_idc[] = { |
| { 0, 0 }, |
| { 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 }, |
| { 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 }, |
| { 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 }, |
| { 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 }, |
| }; |
| int i; |
| for (i = 0; i < FF_ARRAY_ELEMS(sar_idc); i++) { |
| if (avctx->sample_aspect_ratio.num == sar_idc[i].num && |
| avctx->sample_aspect_ratio.den == sar_idc[i].den) { |
| sps->vui.aspect_ratio_idc = i; |
| break; |
| } |
| } |
| if (i >= FF_ARRAY_ELEMS(sar_idc)) { |
| sps->vui.aspect_ratio_idc = 255; |
| sps->vui.sar_width = avctx->sample_aspect_ratio.num; |
| sps->vui.sar_height = avctx->sample_aspect_ratio.den; |
| } |
| sps->vui.aspect_ratio_info_present_flag = 1; |
| } |
| |
| if (avctx->color_range != AVCOL_RANGE_UNSPECIFIED || |
| avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || |
| avctx->color_trc != AVCOL_TRC_UNSPECIFIED || |
| avctx->colorspace != AVCOL_SPC_UNSPECIFIED) { |
| sps->vui.video_signal_type_present_flag = 1; |
| sps->vui.video_format = 5; // Unspecified. |
| sps->vui.video_full_range_flag = |
| avctx->color_range == AVCOL_RANGE_JPEG; |
| |
| if (avctx->color_primaries != AVCOL_PRI_UNSPECIFIED || |
| avctx->color_trc != AVCOL_TRC_UNSPECIFIED || |
| avctx->colorspace != AVCOL_SPC_UNSPECIFIED) { |
| sps->vui.colour_description_present_flag = 1; |
| sps->vui.colour_primaries = avctx->color_primaries; |
| sps->vui.transfer_characteristics = avctx->color_trc; |
| sps->vui.matrix_coefficients = avctx->colorspace; |
| } |
| } else { |
| sps->vui.video_format = 5; |
| sps->vui.video_full_range_flag = 0; |
| sps->vui.colour_primaries = avctx->color_primaries; |
| sps->vui.transfer_characteristics = avctx->color_trc; |
| sps->vui.matrix_coefficients = avctx->colorspace; |
| } |
| |
| if (avctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED) { |
| sps->vui.chroma_loc_info_present_flag = 1; |
| sps->vui.chroma_sample_loc_type_top_field = |
| sps->vui.chroma_sample_loc_type_bottom_field = |
| avctx->chroma_sample_location - 1; |
| } |
| |
| sps->vui.timing_info_present_flag = 1; |
| if (avctx->framerate.num > 0 && avctx->framerate.den > 0) { |
| sps->vui.num_units_in_tick = avctx->framerate.den; |
| sps->vui.time_scale = 2 * avctx->framerate.num; |
| sps->vui.fixed_frame_rate_flag = 1; |
| } else { |
| sps->vui.num_units_in_tick = avctx->time_base.num; |
| sps->vui.time_scale = 2 * avctx->time_base.den; |
| sps->vui.fixed_frame_rate_flag = 0; |
| } |
| |
| if (priv->sei & SEI_TIMING) { |
| H264RawHRD *hrd = &sps->vui.nal_hrd_parameters; |
| H264RawSEIBufferingPeriod *bp = &priv->sei_buffering_period; |
| |
| sps->vui.nal_hrd_parameters_present_flag = 1; |
| |
| hrd->cpb_cnt_minus1 = 0; |
| |
| // Try to scale these to a sensible range so that the |
| // golomb encode of the value is not overlong. |
| hrd->bit_rate_scale = |
| av_clip_uintp2(av_log2(ctx->va_bit_rate) - 15 - 6, 4); |
| hrd->bit_rate_value_minus1[0] = |
| (ctx->va_bit_rate >> hrd->bit_rate_scale + 6) - 1; |
| |
| hrd->cpb_size_scale = |
| av_clip_uintp2(av_log2(ctx->hrd_params.hrd.buffer_size) - 15 - 4, 4); |
| hrd->cpb_size_value_minus1[0] = |
| (ctx->hrd_params.hrd.buffer_size >> hrd->cpb_size_scale + 4) - 1; |
| |
| // CBR mode as defined for the HRD cannot be achieved without filler |
| // data, so this flag cannot be set even with VAAPI CBR modes. |
| hrd->cbr_flag[0] = 0; |
| |
| hrd->initial_cpb_removal_delay_length_minus1 = 23; |
| hrd->cpb_removal_delay_length_minus1 = 23; |
| hrd->dpb_output_delay_length_minus1 = 7; |
| hrd->time_offset_length = 0; |
| |
| bp->seq_parameter_set_id = sps->seq_parameter_set_id; |
| |
| // This calculation can easily overflow 32 bits. |
| bp->nal.initial_cpb_removal_delay[0] = 90000 * |
| (uint64_t)ctx->hrd_params.hrd.initial_buffer_fullness / |
| ctx->hrd_params.hrd.buffer_size; |
| bp->nal.initial_cpb_removal_delay_offset[0] = 0; |
| } else { |
| sps->vui.nal_hrd_parameters_present_flag = 0; |
| sps->vui.low_delay_hrd_flag = 1 - sps->vui.fixed_frame_rate_flag; |
| } |
| |
| sps->vui.bitstream_restriction_flag = 1; |
| sps->vui.motion_vectors_over_pic_boundaries_flag = 1; |
| sps->vui.log2_max_mv_length_horizontal = 15; |
| sps->vui.log2_max_mv_length_vertical = 15; |
| sps->vui.max_num_reorder_frames = (ctx->b_per_p > 0); |
| sps->vui.max_dec_frame_buffering = sps->max_num_ref_frames; |
| |
| pps->nal_unit_header.nal_ref_idc = 3; |
| pps->nal_unit_header.nal_unit_type = H264_NAL_PPS; |
| |
| pps->pic_parameter_set_id = 0; |
| pps->seq_parameter_set_id = 0; |
| |
| pps->entropy_coding_mode_flag = |
| !(sps->profile_idc == FF_PROFILE_H264_BASELINE || |
| sps->profile_idc == FF_PROFILE_H264_EXTENDED || |
| sps->profile_idc == FF_PROFILE_H264_CAVLC_444); |
| if (!priv->coder && pps->entropy_coding_mode_flag) |
| pps->entropy_coding_mode_flag = 0; |
| |
| pps->num_ref_idx_l0_default_active_minus1 = 0; |
| pps->num_ref_idx_l1_default_active_minus1 = 0; |
| |
| pps->pic_init_qp_minus26 = priv->fixed_qp_idr - 26; |
| |
| if (sps->profile_idc == FF_PROFILE_H264_BASELINE || |
| sps->profile_idc == FF_PROFILE_H264_EXTENDED || |
| sps->profile_idc == FF_PROFILE_H264_MAIN) { |
| pps->more_rbsp_data = 0; |
| } else { |
| pps->more_rbsp_data = 1; |
| |
| pps->transform_8x8_mode_flag = 1; |
| } |
| |
| *vseq = (VAEncSequenceParameterBufferH264) { |
| .seq_parameter_set_id = sps->seq_parameter_set_id, |
| .level_idc = sps->level_idc, |
| .intra_period = ctx->gop_size, |
| .intra_idr_period = ctx->gop_size, |
| .ip_period = ctx->b_per_p + 1, |
| |
| .bits_per_second = ctx->va_bit_rate, |
| .max_num_ref_frames = sps->max_num_ref_frames, |
| .picture_width_in_mbs = sps->pic_width_in_mbs_minus1 + 1, |
| .picture_height_in_mbs = sps->pic_height_in_map_units_minus1 + 1, |
| |
| .seq_fields.bits = { |
| .chroma_format_idc = sps->chroma_format_idc, |
| .frame_mbs_only_flag = sps->frame_mbs_only_flag, |
| .mb_adaptive_frame_field_flag = sps->mb_adaptive_frame_field_flag, |
| .seq_scaling_matrix_present_flag = sps->seq_scaling_matrix_present_flag, |
| .direct_8x8_inference_flag = sps->direct_8x8_inference_flag, |
| .log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4, |
| .pic_order_cnt_type = sps->pic_order_cnt_type, |
| .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_pic_order_cnt_lsb_minus4, |
| .delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag, |
| }, |
| |
| .bit_depth_luma_minus8 = sps->bit_depth_luma_minus8, |
| .bit_depth_chroma_minus8 = sps->bit_depth_chroma_minus8, |
| |
| .frame_cropping_flag = sps->frame_cropping_flag, |
| .frame_crop_left_offset = sps->frame_crop_left_offset, |
| .frame_crop_right_offset = sps->frame_crop_right_offset, |
| .frame_crop_top_offset = sps->frame_crop_top_offset, |
| .frame_crop_bottom_offset = sps->frame_crop_bottom_offset, |
| |
| .vui_parameters_present_flag = sps->vui_parameters_present_flag, |
| |
| .vui_fields.bits = { |
| .aspect_ratio_info_present_flag = sps->vui.aspect_ratio_info_present_flag, |
| .timing_info_present_flag = sps->vui.timing_info_present_flag, |
| .bitstream_restriction_flag = sps->vui.bitstream_restriction_flag, |
| .log2_max_mv_length_horizontal = sps->vui.log2_max_mv_length_horizontal, |
| .log2_max_mv_length_vertical = sps->vui.log2_max_mv_length_vertical, |
| }, |
| |
| .aspect_ratio_idc = sps->vui.aspect_ratio_idc, |
| .sar_width = sps->vui.sar_width, |
| .sar_height = sps->vui.sar_height, |
| .num_units_in_tick = sps->vui.num_units_in_tick, |
| .time_scale = sps->vui.time_scale, |
| }; |
| |
| *vpic = (VAEncPictureParameterBufferH264) { |
| .CurrPic = { |
| .picture_id = VA_INVALID_ID, |
| .flags = VA_PICTURE_H264_INVALID, |
| }, |
| |
| .coded_buf = VA_INVALID_ID, |
| |
| .pic_parameter_set_id = pps->pic_parameter_set_id, |
| .seq_parameter_set_id = pps->seq_parameter_set_id, |
| |
| .pic_init_qp = pps->pic_init_qp_minus26 + 26, |
| .num_ref_idx_l0_active_minus1 = pps->num_ref_idx_l0_default_active_minus1, |
| .num_ref_idx_l1_active_minus1 = pps->num_ref_idx_l1_default_active_minus1, |
| |
| .chroma_qp_index_offset = pps->chroma_qp_index_offset, |
| .second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset, |
| |
| .pic_fields.bits = { |
| .entropy_coding_mode_flag = pps->entropy_coding_mode_flag, |
| .weighted_pred_flag = pps->weighted_pred_flag, |
| .weighted_bipred_idc = pps->weighted_bipred_idc, |
| .constrained_intra_pred_flag = pps->constrained_intra_pred_flag, |
| .transform_8x8_mode_flag = pps->transform_8x8_mode_flag, |
| .deblocking_filter_control_present_flag = |
| pps->deblocking_filter_control_present_flag, |
| .redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present_flag, |
| .pic_order_present_flag = |
| pps->bottom_field_pic_order_in_frame_present_flag, |
| .pic_scaling_matrix_present_flag = pps->pic_scaling_matrix_present_flag, |
| }, |
| }; |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| H264RawSPS *sps = &priv->raw_sps; |
| VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params; |
| int i; |
| |
| memset(&priv->current_access_unit, 0, |
| sizeof(priv->current_access_unit)); |
| |
| if (pic->type == PICTURE_TYPE_IDR) { |
| av_assert0(pic->display_order == pic->encode_order); |
| priv->frame_num = 0; |
| priv->next_frame_num = 1; |
| priv->cpb_delay = 0; |
| priv->last_idr_frame = pic->display_order; |
| ++priv->idr_pic_count; |
| |
| priv->slice_type = 7; |
| priv->primary_pic_type = 0; |
| } else { |
| priv->frame_num = priv->next_frame_num; |
| |
| if (pic->type != PICTURE_TYPE_B) { |
| // Reference picture, so frame_num advances. |
| priv->next_frame_num = (priv->frame_num + 1) & |
| ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1); |
| } |
| ++priv->cpb_delay; |
| |
| if (pic->type == PICTURE_TYPE_I) { |
| priv->slice_type = 7; |
| priv->primary_pic_type = 0; |
| } else if (pic->type == PICTURE_TYPE_P) { |
| priv->slice_type = 5; |
| priv->primary_pic_type = 1; |
| } else { |
| priv->slice_type = 6; |
| priv->primary_pic_type = 2; |
| } |
| } |
| priv->pic_order_cnt = pic->display_order - priv->last_idr_frame; |
| priv->dpb_delay = pic->display_order - pic->encode_order + 1; |
| |
| if (priv->aud) { |
| priv->aud_needed = 1; |
| priv->raw_aud = (H264RawAUD) { |
| .nal_unit_header = { |
| .nal_unit_type = H264_NAL_AUD, |
| }, |
| .primary_pic_type = priv->primary_pic_type, |
| }; |
| } else { |
| priv->aud_needed = 0; |
| } |
| |
| priv->sei_needed = 0; |
| |
| if (priv->sei & SEI_IDENTIFIER && pic->encode_order == 0) |
| priv->sei_needed |= SEI_IDENTIFIER; |
| #if !CONFIG_VAAPI_1 |
| if (ctx->va_rc_mode == VA_RC_CBR) |
| priv->sei_cbr_workaround_needed = 1; |
| #endif |
| |
| if (priv->sei & SEI_TIMING) { |
| priv->sei_pic_timing = (H264RawSEIPicTiming) { |
| .cpb_removal_delay = 2 * priv->cpb_delay, |
| .dpb_output_delay = 2 * priv->dpb_delay, |
| }; |
| |
| priv->sei_needed |= SEI_TIMING; |
| } |
| |
| if (priv->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) { |
| priv->sei_recovery_point = (H264RawSEIRecoveryPoint) { |
| .recovery_frame_cnt = 0, |
| .exact_match_flag = 1, |
| .broken_link_flag = ctx->b_per_p > 0, |
| }; |
| |
| priv->sei_needed |= SEI_RECOVERY_POINT; |
| } |
| |
| vpic->CurrPic = (VAPictureH264) { |
| .picture_id = pic->recon_surface, |
| .frame_idx = priv->frame_num, |
| .flags = 0, |
| .TopFieldOrderCnt = priv->pic_order_cnt, |
| .BottomFieldOrderCnt = priv->pic_order_cnt, |
| }; |
| |
| for (i = 0; i < pic->nb_refs; i++) { |
| VAAPIEncodePicture *ref = pic->refs[i]; |
| unsigned int frame_num = (ref->encode_order - priv->last_idr_frame) & |
| ((1 << (4 + sps->log2_max_frame_num_minus4)) - 1); |
| unsigned int pic_order_cnt = ref->display_order - priv->last_idr_frame; |
| |
| av_assert0(ref && ref->encode_order < pic->encode_order); |
| vpic->ReferenceFrames[i] = (VAPictureH264) { |
| .picture_id = ref->recon_surface, |
| .frame_idx = frame_num, |
| .flags = VA_PICTURE_H264_SHORT_TERM_REFERENCE, |
| .TopFieldOrderCnt = pic_order_cnt, |
| .BottomFieldOrderCnt = pic_order_cnt, |
| }; |
| } |
| for (; i < FF_ARRAY_ELEMS(vpic->ReferenceFrames); i++) { |
| vpic->ReferenceFrames[i] = (VAPictureH264) { |
| .picture_id = VA_INVALID_ID, |
| .flags = VA_PICTURE_H264_INVALID, |
| }; |
| } |
| |
| vpic->coded_buf = pic->output_buffer; |
| |
| vpic->frame_num = priv->frame_num; |
| |
| vpic->pic_fields.bits.idr_pic_flag = (pic->type == PICTURE_TYPE_IDR); |
| vpic->pic_fields.bits.reference_pic_flag = (pic->type != PICTURE_TYPE_B); |
| |
| pic->nb_slices = 1; |
| |
| return 0; |
| } |
| |
| static int vaapi_encode_h264_init_slice_params(AVCodecContext *avctx, |
| VAAPIEncodePicture *pic, |
| VAAPIEncodeSlice *slice) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| H264RawSPS *sps = &priv->raw_sps; |
| H264RawPPS *pps = &priv->raw_pps; |
| H264RawSliceHeader *sh = &priv->raw_slice.header; |
| VAEncPictureParameterBufferH264 *vpic = pic->codec_picture_params; |
| VAEncSliceParameterBufferH264 *vslice = slice->codec_slice_params; |
| int i; |
| |
| if (pic->type == PICTURE_TYPE_IDR) { |
| sh->nal_unit_header.nal_unit_type = H264_NAL_IDR_SLICE; |
| sh->nal_unit_header.nal_ref_idc = 3; |
| } else { |
| sh->nal_unit_header.nal_unit_type = H264_NAL_SLICE; |
| sh->nal_unit_header.nal_ref_idc = pic->type != PICTURE_TYPE_B; |
| } |
| |
| // Only one slice per frame. |
| sh->first_mb_in_slice = 0; |
| sh->slice_type = priv->slice_type; |
| |
| sh->pic_parameter_set_id = pps->pic_parameter_set_id; |
| |
| sh->frame_num = priv->frame_num; |
| sh->idr_pic_id = priv->idr_pic_count; |
| |
| sh->pic_order_cnt_lsb = priv->pic_order_cnt & |
| ((1 << (4 + sps->log2_max_pic_order_cnt_lsb_minus4)) - 1); |
| |
| sh->direct_spatial_mv_pred_flag = 1; |
| |
| if (pic->type == PICTURE_TYPE_B) |
| sh->slice_qp_delta = priv->fixed_qp_b - (pps->pic_init_qp_minus26 + 26); |
| else if (pic->type == PICTURE_TYPE_P) |
| sh->slice_qp_delta = priv->fixed_qp_p - (pps->pic_init_qp_minus26 + 26); |
| else |
| sh->slice_qp_delta = priv->fixed_qp_idr - (pps->pic_init_qp_minus26 + 26); |
| |
| |
| vslice->macroblock_address = sh->first_mb_in_slice; |
| vslice->num_macroblocks = priv->mb_width * priv->mb_height; |
| |
| vslice->macroblock_info = VA_INVALID_ID; |
| |
| vslice->slice_type = sh->slice_type % 5; |
| vslice->pic_parameter_set_id = sh->pic_parameter_set_id; |
| vslice->idr_pic_id = sh->idr_pic_id; |
| |
| vslice->pic_order_cnt_lsb = sh->pic_order_cnt_lsb; |
| |
| vslice->direct_spatial_mv_pred_flag = sh->direct_spatial_mv_pred_flag; |
| |
| for (i = 0; i < FF_ARRAY_ELEMS(vslice->RefPicList0); i++) { |
| vslice->RefPicList0[i].picture_id = VA_INVALID_ID; |
| vslice->RefPicList0[i].flags = VA_PICTURE_H264_INVALID; |
| vslice->RefPicList1[i].picture_id = VA_INVALID_ID; |
| vslice->RefPicList1[i].flags = VA_PICTURE_H264_INVALID; |
| } |
| |
| av_assert0(pic->nb_refs <= 2); |
| if (pic->nb_refs >= 1) { |
| // Backward reference for P- or B-frame. |
| av_assert0(pic->type == PICTURE_TYPE_P || |
| pic->type == PICTURE_TYPE_B); |
| vslice->RefPicList0[0] = vpic->ReferenceFrames[0]; |
| } |
| if (pic->nb_refs >= 2) { |
| // Forward reference for B-frame. |
| av_assert0(pic->type == PICTURE_TYPE_B); |
| vslice->RefPicList1[0] = vpic->ReferenceFrames[1]; |
| } |
| |
| vslice->slice_qp_delta = sh->slice_qp_delta; |
| |
| return 0; |
| } |
| |
| static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| int err; |
| |
| err = ff_cbs_init(&priv->cbc, AV_CODEC_ID_H264, avctx); |
| if (err < 0) |
| return err; |
| |
| priv->mb_width = FFALIGN(avctx->width, 16) / 16; |
| priv->mb_height = FFALIGN(avctx->height, 16) / 16; |
| |
| if (ctx->va_rc_mode == VA_RC_CQP) { |
| priv->fixed_qp_p = priv->qp; |
| if (avctx->i_quant_factor > 0.0) |
| priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor + |
| avctx->i_quant_offset) + 0.5); |
| else |
| priv->fixed_qp_idr = priv->fixed_qp_p; |
| if (avctx->b_quant_factor > 0.0) |
| priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor + |
| avctx->b_quant_offset) + 0.5); |
| else |
| priv->fixed_qp_b = priv->fixed_qp_p; |
| |
| priv->sei &= ~SEI_TIMING; |
| |
| av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = " |
| "%d / %d / %d for IDR- / P- / B-frames.\n", |
| priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b); |
| |
| } else if (ctx->va_rc_mode == VA_RC_CBR || |
| ctx->va_rc_mode == VA_RC_VBR) { |
| // These still need to be set for pic_init_qp/slice_qp_delta. |
| priv->fixed_qp_idr = 26; |
| priv->fixed_qp_p = 26; |
| priv->fixed_qp_b = 26; |
| |
| } else { |
| av_assert0(0 && "Invalid RC mode."); |
| } |
| |
| if (priv->sei & SEI_IDENTIFIER) { |
| const char *lavc = LIBAVCODEC_IDENT; |
| const char *vaapi = VA_VERSION_S; |
| const char *driver; |
| int len; |
| |
| memcpy(priv->sei_identifier.uuid_iso_iec_11578, |
| vaapi_encode_h264_sei_identifier_uuid, |
| sizeof(priv->sei_identifier.uuid_iso_iec_11578)); |
| |
| driver = vaQueryVendorString(ctx->hwctx->display); |
| if (!driver) |
| driver = "unknown driver"; |
| |
| len = snprintf(NULL, 0, "%s / VAAPI %s / %s", lavc, vaapi, driver); |
| if (len >= 0) { |
| priv->sei_identifier_string = av_malloc(len + 1); |
| if (!priv->sei_identifier_string) |
| return AVERROR(ENOMEM); |
| |
| snprintf(priv->sei_identifier_string, len + 1, |
| "%s / VAAPI %s / %s", lavc, vaapi, driver); |
| |
| priv->sei_identifier.data = priv->sei_identifier_string; |
| priv->sei_identifier.data_length = len + 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static const VAAPIEncodeProfile vaapi_encode_h264_profiles[] = { |
| { FF_PROFILE_H264_HIGH, 8, 3, 1, 1, VAProfileH264High }, |
| { FF_PROFILE_H264_MAIN, 8, 3, 1, 1, VAProfileH264Main }, |
| { FF_PROFILE_H264_CONSTRAINED_BASELINE, |
| 8, 3, 1, 1, VAProfileH264ConstrainedBaseline }, |
| { FF_PROFILE_UNKNOWN } |
| }; |
| |
| static const VAAPIEncodeType vaapi_encode_type_h264 = { |
| .profiles = vaapi_encode_h264_profiles, |
| |
| .configure = &vaapi_encode_h264_configure, |
| |
| .sequence_params_size = sizeof(VAEncSequenceParameterBufferH264), |
| .init_sequence_params = &vaapi_encode_h264_init_sequence_params, |
| |
| .picture_params_size = sizeof(VAEncPictureParameterBufferH264), |
| .init_picture_params = &vaapi_encode_h264_init_picture_params, |
| |
| .slice_params_size = sizeof(VAEncSliceParameterBufferH264), |
| .init_slice_params = &vaapi_encode_h264_init_slice_params, |
| |
| .sequence_header_type = VAEncPackedHeaderSequence, |
| .write_sequence_header = &vaapi_encode_h264_write_sequence_header, |
| |
| .slice_header_type = VAEncPackedHeaderH264_Slice, |
| .write_slice_header = &vaapi_encode_h264_write_slice_header, |
| |
| .write_extra_header = &vaapi_encode_h264_write_extra_header, |
| }; |
| |
| static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx) |
| { |
| VAAPIEncodeContext *ctx = avctx->priv_data; |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| |
| ctx->codec = &vaapi_encode_type_h264; |
| |
| if (avctx->profile == FF_PROFILE_UNKNOWN) |
| avctx->profile = priv->profile; |
| if (avctx->level == FF_LEVEL_UNKNOWN) |
| avctx->level = priv->level; |
| if (avctx->compression_level == FF_COMPRESSION_DEFAULT) |
| avctx->compression_level = priv->quality; |
| |
| // Reject unsupported profiles. |
| switch (avctx->profile) { |
| case FF_PROFILE_H264_BASELINE: |
| av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile is not " |
| "supported, using constrained baseline profile instead.\n"); |
| avctx->profile = FF_PROFILE_H264_CONSTRAINED_BASELINE; |
| break; |
| case FF_PROFILE_H264_EXTENDED: |
| av_log(avctx, AV_LOG_ERROR, "H.264 extended profile " |
| "is not supported.\n"); |
| return AVERROR_PATCHWELCOME; |
| case FF_PROFILE_H264_HIGH_10: |
| case FF_PROFILE_H264_HIGH_10_INTRA: |
| av_log(avctx, AV_LOG_ERROR, "H.264 10-bit profiles " |
| "are not supported.\n"); |
| return AVERROR_PATCHWELCOME; |
| case FF_PROFILE_H264_HIGH_422: |
| case FF_PROFILE_H264_HIGH_422_INTRA: |
| case FF_PROFILE_H264_HIGH_444: |
| case FF_PROFILE_H264_HIGH_444_PREDICTIVE: |
| case FF_PROFILE_H264_HIGH_444_INTRA: |
| case FF_PROFILE_H264_CAVLC_444: |
| av_log(avctx, AV_LOG_ERROR, "H.264 non-4:2:0 profiles " |
| "are not supported.\n"); |
| return AVERROR_PATCHWELCOME; |
| } |
| |
| if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit " |
| "in 8-bit unsigned integer.\n", avctx->level); |
| return AVERROR(EINVAL); |
| } |
| |
| ctx->desired_packed_headers = |
| VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS. |
| VA_ENC_PACKED_HEADER_SLICE | // Slice headers. |
| VA_ENC_PACKED_HEADER_MISC; // SEI. |
| |
| ctx->surface_width = FFALIGN(avctx->width, 16); |
| ctx->surface_height = FFALIGN(avctx->height, 16); |
| |
| return ff_vaapi_encode_init(avctx); |
| } |
| |
| static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx) |
| { |
| VAAPIEncodeH264Context *priv = avctx->priv_data; |
| |
| ff_cbs_close(&priv->cbc); |
| av_freep(&priv->sei_identifier_string); |
| |
| return ff_vaapi_encode_close(avctx); |
| } |
| |
| #define OFFSET(x) offsetof(VAAPIEncodeH264Context, x) |
| #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) |
| static const AVOption vaapi_encode_h264_options[] = { |
| VAAPI_ENCODE_COMMON_OPTIONS, |
| |
| { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)", |
| OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS }, |
| { "quality", "Set encode quality (trades off against speed, higher is faster)", |
| OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS }, |
| { "coder", "Entropy coder type", |
| OFFSET(coder), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, FLAGS, "coder" }, |
| { "cavlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" }, |
| { "cabac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" }, |
| { "vlc", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, FLAGS, "coder" }, |
| { "ac", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, FLAGS, "coder" }, |
| |
| { "aud", "Include AUD", |
| OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, |
| |
| { "sei", "Set SEI to include", |
| OFFSET(sei), AV_OPT_TYPE_FLAGS, |
| { .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT }, |
| 0, INT_MAX, FLAGS, "sei" }, |
| { "identifier", "Include encoder version identifier", |
| 0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER }, |
| INT_MIN, INT_MAX, FLAGS, "sei" }, |
| { "timing", "Include timing parameters (buffering_period and pic_timing)", |
| 0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING }, |
| INT_MIN, INT_MAX, FLAGS, "sei" }, |
| { "recovery_point", "Include recovery points where appropriate", |
| 0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT }, |
| INT_MIN, INT_MAX, FLAGS, "sei" }, |
| |
| { "profile", "Set profile (profile_idc and constraint_set*_flag)", |
| OFFSET(profile), AV_OPT_TYPE_INT, |
| { .i64 = FF_PROFILE_UNKNOWN }, FF_PROFILE_UNKNOWN, 0xffff, FLAGS, "profile" }, |
| |
| #define PROFILE(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ |
| { .i64 = value }, 0, 0, FLAGS, "profile" |
| { PROFILE("constrained_baseline", FF_PROFILE_H264_CONSTRAINED_BASELINE) }, |
| { PROFILE("main", FF_PROFILE_H264_MAIN) }, |
| { PROFILE("high", FF_PROFILE_H264_HIGH) }, |
| #undef PROFILE |
| |
| { "level", "Set level (level_idc)", |
| OFFSET(level), AV_OPT_TYPE_INT, |
| { .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" }, |
| |
| #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ |
| { .i64 = value }, 0, 0, FLAGS, "level" |
| { LEVEL("1", 10) }, |
| { LEVEL("1.1", 11) }, |
| { LEVEL("1.2", 12) }, |
| { LEVEL("1.3", 13) }, |
| { LEVEL("2", 20) }, |
| { LEVEL("2.1", 21) }, |
| { LEVEL("2.2", 22) }, |
| { LEVEL("3", 30) }, |
| { LEVEL("3.1", 31) }, |
| { LEVEL("3.2", 32) }, |
| { LEVEL("4", 40) }, |
| { LEVEL("4.1", 41) }, |
| { LEVEL("4.2", 42) }, |
| { LEVEL("5", 50) }, |
| { LEVEL("5.1", 51) }, |
| { LEVEL("5.2", 52) }, |
| { LEVEL("6", 60) }, |
| { LEVEL("6.1", 61) }, |
| { LEVEL("6.2", 62) }, |
| #undef LEVEL |
| |
| { NULL }, |
| }; |
| |
| static const AVCodecDefault vaapi_encode_h264_defaults[] = { |
| { "b", "0" }, |
| { "bf", "2" }, |
| { "g", "120" }, |
| { "i_qfactor", "1" }, |
| { "i_qoffset", "0" }, |
| { "b_qfactor", "6/5" }, |
| { "b_qoffset", "0" }, |
| { "qmin", "-1" }, |
| { "qmax", "-1" }, |
| { NULL }, |
| }; |
| |
| static const AVClass vaapi_encode_h264_class = { |
| .class_name = "h264_vaapi", |
| .item_name = av_default_item_name, |
| .option = vaapi_encode_h264_options, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| |
| AVCodec ff_h264_vaapi_encoder = { |
| .name = "h264_vaapi", |
| .long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"), |
| .type = AVMEDIA_TYPE_VIDEO, |
| .id = AV_CODEC_ID_H264, |
| .priv_data_size = sizeof(VAAPIEncodeH264Context), |
| .init = &vaapi_encode_h264_init, |
| .encode2 = &ff_vaapi_encode2, |
| .close = &vaapi_encode_h264_close, |
| .priv_class = &vaapi_encode_h264_class, |
| .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE, |
| .defaults = vaapi_encode_h264_defaults, |
| .pix_fmts = (const enum AVPixelFormat[]) { |
| AV_PIX_FMT_VAAPI, |
| AV_PIX_FMT_NONE, |
| }, |
| .wrapper_name = "vaapi", |
| }; |
