mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
815 lines
27 KiB
C
815 lines
27 KiB
C
/*
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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 "libavutil/avstring.h"
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#include "libavutil/display.h"
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "bsf.h"
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#include "cbs.h"
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#include "cbs_h264.h"
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#include "h264.h"
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#include "h264_levels.h"
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#include "h264_sei.h"
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enum {
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PASS,
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INSERT,
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REMOVE,
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EXTRACT,
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};
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enum {
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FLIP_HORIZONTAL = 1,
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FLIP_VERTICAL = 2,
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};
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enum {
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LEVEL_UNSET = -2,
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LEVEL_AUTO = -1,
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};
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typedef struct H264MetadataContext {
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const AVClass *class;
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CodedBitstreamContext *cbc;
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CodedBitstreamFragment access_unit;
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int done_first_au;
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int aud;
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AVRational sample_aspect_ratio;
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int overscan_appropriate_flag;
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int video_format;
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int video_full_range_flag;
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int colour_primaries;
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int transfer_characteristics;
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int matrix_coefficients;
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int chroma_sample_loc_type;
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AVRational tick_rate;
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int fixed_frame_rate_flag;
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int crop_left;
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int crop_right;
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int crop_top;
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int crop_bottom;
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const char *sei_user_data;
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int delete_filler;
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int display_orientation;
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double rotate;
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int flip;
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int level;
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} H264MetadataContext;
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static int h264_metadata_update_sps(AVBSFContext *bsf,
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H264RawSPS *sps)
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{
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H264MetadataContext *ctx = bsf->priv_data;
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int need_vui = 0;
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int crop_unit_x, crop_unit_y;
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if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) {
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// Table E-1.
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static const AVRational sar_idc[] = {
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{ 0, 0 }, // Unspecified (never written here).
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{ 1, 1 }, { 12, 11 }, { 10, 11 }, { 16, 11 },
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{ 40, 33 }, { 24, 11 }, { 20, 11 }, { 32, 11 },
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{ 80, 33 }, { 18, 11 }, { 15, 11 }, { 64, 33 },
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{ 160, 99 }, { 4, 3 }, { 3, 2 }, { 2, 1 },
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};
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int num, den, i;
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av_reduce(&num, &den, ctx->sample_aspect_ratio.num,
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ctx->sample_aspect_ratio.den, 65535);
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for (i = 1; i < FF_ARRAY_ELEMS(sar_idc); i++) {
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if (num == sar_idc[i].num &&
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den == sar_idc[i].den)
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break;
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}
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if (i == FF_ARRAY_ELEMS(sar_idc)) {
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sps->vui.aspect_ratio_idc = 255;
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sps->vui.sar_width = num;
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sps->vui.sar_height = den;
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} else {
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sps->vui.aspect_ratio_idc = i;
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}
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sps->vui.aspect_ratio_info_present_flag = 1;
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need_vui = 1;
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}
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#define SET_VUI_FIELD(field) do { \
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if (ctx->field >= 0) { \
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sps->vui.field = ctx->field; \
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need_vui = 1; \
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} \
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} while (0)
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if (ctx->overscan_appropriate_flag >= 0) {
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SET_VUI_FIELD(overscan_appropriate_flag);
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sps->vui.overscan_info_present_flag = 1;
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}
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if (ctx->video_format >= 0 ||
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ctx->video_full_range_flag >= 0 ||
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ctx->colour_primaries >= 0 ||
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ctx->transfer_characteristics >= 0 ||
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ctx->matrix_coefficients >= 0) {
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SET_VUI_FIELD(video_format);
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SET_VUI_FIELD(video_full_range_flag);
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if (ctx->colour_primaries >= 0 ||
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ctx->transfer_characteristics >= 0 ||
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ctx->matrix_coefficients >= 0) {
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SET_VUI_FIELD(colour_primaries);
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SET_VUI_FIELD(transfer_characteristics);
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SET_VUI_FIELD(matrix_coefficients);
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sps->vui.colour_description_present_flag = 1;
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}
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sps->vui.video_signal_type_present_flag = 1;
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}
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if (ctx->chroma_sample_loc_type >= 0) {
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sps->vui.chroma_sample_loc_type_top_field =
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ctx->chroma_sample_loc_type;
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sps->vui.chroma_sample_loc_type_bottom_field =
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ctx->chroma_sample_loc_type;
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sps->vui.chroma_loc_info_present_flag = 1;
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need_vui = 1;
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}
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if (ctx->tick_rate.num && ctx->tick_rate.den) {
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int num, den;
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av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den,
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UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX);
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sps->vui.time_scale = num;
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sps->vui.num_units_in_tick = den;
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sps->vui.timing_info_present_flag = 1;
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need_vui = 1;
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}
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SET_VUI_FIELD(fixed_frame_rate_flag);
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if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) {
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crop_unit_x = 1;
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crop_unit_y = 2 - sps->frame_mbs_only_flag;
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} else {
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crop_unit_x = 1 + (sps->chroma_format_idc < 3);
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crop_unit_y = (1 + (sps->chroma_format_idc < 2)) *
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(2 - sps->frame_mbs_only_flag);
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}
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#define CROP(border, unit) do { \
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if (ctx->crop_ ## border >= 0) { \
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if (ctx->crop_ ## border % unit != 0) { \
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av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \
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"must be a multiple of %d.\n", #border, unit); \
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return AVERROR(EINVAL); \
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} \
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sps->frame_crop_ ## border ## _offset = \
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ctx->crop_ ## border / unit; \
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sps->frame_cropping_flag = 1; \
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} \
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} while (0)
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CROP(left, crop_unit_x);
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CROP(right, crop_unit_x);
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CROP(top, crop_unit_y);
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CROP(bottom, crop_unit_y);
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#undef CROP
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if (ctx->level != LEVEL_UNSET) {
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int level_idc;
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if (ctx->level == LEVEL_AUTO) {
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const H264LevelDescriptor *desc;
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int64_t bit_rate;
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int width, height, dpb_frames;
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int framerate;
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if (sps->vui.nal_hrd_parameters_present_flag) {
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bit_rate = (sps->vui.nal_hrd_parameters.bit_rate_value_minus1[0] + 1) *
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(INT64_C(1) << (sps->vui.nal_hrd_parameters.bit_rate_scale + 6));
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} else if (sps->vui.vcl_hrd_parameters_present_flag) {
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bit_rate = (sps->vui.vcl_hrd_parameters.bit_rate_value_minus1[0] + 1) *
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(INT64_C(1) << (sps->vui.vcl_hrd_parameters.bit_rate_scale + 6));
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// Adjust for VCL vs. NAL limits.
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bit_rate = bit_rate * 6 / 5;
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} else {
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bit_rate = 0;
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}
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// Don't use max_dec_frame_buffering if it is only inferred.
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dpb_frames = sps->vui.bitstream_restriction_flag ?
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sps->vui.max_dec_frame_buffering : H264_MAX_DPB_FRAMES;
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width = 16 * (sps->pic_width_in_mbs_minus1 + 1);
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height = 16 * (sps->pic_height_in_map_units_minus1 + 1) *
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(2 - sps->frame_mbs_only_flag);
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if (sps->vui.timing_info_present_flag)
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framerate = sps->vui.time_scale / sps->vui.num_units_in_tick / 2;
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else
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framerate = 0;
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desc = ff_h264_guess_level(sps->profile_idc, bit_rate, framerate,
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width, height, dpb_frames);
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if (desc) {
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level_idc = desc->level_idc;
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} else {
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av_log(bsf, AV_LOG_WARNING, "Stream does not appear to "
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"conform to any level: using level 6.2.\n");
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level_idc = 62;
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}
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} else {
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level_idc = ctx->level;
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}
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if (level_idc == 9) {
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if (sps->profile_idc == 66 ||
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sps->profile_idc == 77 ||
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sps->profile_idc == 88) {
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sps->level_idc = 11;
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sps->constraint_set3_flag = 1;
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} else {
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sps->level_idc = 9;
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}
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} else {
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sps->level_idc = level_idc;
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}
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}
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if (need_vui)
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sps->vui_parameters_present_flag = 1;
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return 0;
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}
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static int h264_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt)
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{
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H264MetadataContext *ctx = bsf->priv_data;
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CodedBitstreamFragment *au = &ctx->access_unit;
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uint8_t *side_data;
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int side_data_size;
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int err, i;
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side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
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&side_data_size);
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if (!side_data_size)
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return 0;
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err = ff_cbs_read(ctx->cbc, au, side_data, side_data_size);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to read extradata from packet side data.\n");
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return err;
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}
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for (i = 0; i < au->nb_units; i++) {
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if (au->units[i].type == H264_NAL_SPS) {
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err = h264_metadata_update_sps(bsf, au->units[i].content);
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if (err < 0)
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return err;
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}
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}
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err = ff_cbs_write_fragment_data(ctx->cbc, au);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to write extradata into packet side data.\n");
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return err;
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}
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side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, au->data_size);
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if (!side_data)
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return AVERROR(ENOMEM);
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memcpy(side_data, au->data, au->data_size);
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ff_cbs_fragment_reset(ctx->cbc, au);
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return 0;
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}
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static int h264_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
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{
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H264MetadataContext *ctx = bsf->priv_data;
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CodedBitstreamFragment *au = &ctx->access_unit;
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int err, i, j, has_sps;
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H264RawAUD aud;
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err = ff_bsf_get_packet_ref(bsf, pkt);
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if (err < 0)
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return err;
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err = h264_metadata_update_side_data(bsf, pkt);
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if (err < 0)
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goto fail;
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err = ff_cbs_read_packet(ctx->cbc, au, pkt);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n");
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goto fail;
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}
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if (au->nb_units == 0) {
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av_log(bsf, AV_LOG_ERROR, "No NAL units in packet.\n");
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err = AVERROR_INVALIDDATA;
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goto fail;
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}
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// If an AUD is present, it must be the first NAL unit.
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if (au->units[0].type == H264_NAL_AUD) {
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if (ctx->aud == REMOVE)
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ff_cbs_delete_unit(ctx->cbc, au, 0);
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} else {
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if (ctx->aud == INSERT) {
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static const int primary_pic_type_table[] = {
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0x084, // 2, 7
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0x0a5, // 0, 2, 5, 7
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0x0e7, // 0, 1, 2, 5, 6, 7
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0x210, // 4, 9
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0x318, // 3, 4, 8, 9
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0x294, // 2, 4, 7, 9
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0x3bd, // 0, 2, 3, 4, 5, 7, 8, 9
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0x3ff, // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
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};
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int primary_pic_type_mask = 0xff;
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for (i = 0; i < au->nb_units; i++) {
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if (au->units[i].type == H264_NAL_SLICE ||
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au->units[i].type == H264_NAL_IDR_SLICE) {
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H264RawSlice *slice = au->units[i].content;
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for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++) {
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if (!(primary_pic_type_table[j] &
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(1 << slice->header.slice_type)))
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primary_pic_type_mask &= ~(1 << j);
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}
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}
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}
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for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++)
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if (primary_pic_type_mask & (1 << j))
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break;
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if (j >= FF_ARRAY_ELEMS(primary_pic_type_table)) {
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av_log(bsf, AV_LOG_ERROR, "No usable primary_pic_type: "
|
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"invalid slice types?\n");
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err = AVERROR_INVALIDDATA;
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goto fail;
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}
|
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|
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aud = (H264RawAUD) {
|
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.nal_unit_header.nal_unit_type = H264_NAL_AUD,
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.primary_pic_type = j,
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};
|
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|
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err = ff_cbs_insert_unit_content(ctx->cbc, au,
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0, H264_NAL_AUD, &aud, NULL);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n");
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goto fail;
|
|
}
|
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}
|
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}
|
|
|
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has_sps = 0;
|
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for (i = 0; i < au->nb_units; i++) {
|
|
if (au->units[i].type == H264_NAL_SPS) {
|
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err = h264_metadata_update_sps(bsf, au->units[i].content);
|
|
if (err < 0)
|
|
goto fail;
|
|
has_sps = 1;
|
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}
|
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}
|
|
|
|
// Only insert the SEI in access units containing SPSs, and also
|
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// unconditionally in the first access unit we ever see.
|
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if (ctx->sei_user_data && (has_sps || !ctx->done_first_au)) {
|
|
H264RawSEIPayload payload = {
|
|
.payload_type = H264_SEI_TYPE_USER_DATA_UNREGISTERED,
|
|
};
|
|
H264RawSEIUserDataUnregistered *udu =
|
|
&payload.payload.user_data_unregistered;
|
|
|
|
for (i = j = 0; j < 32 && ctx->sei_user_data[i]; i++) {
|
|
int c, v;
|
|
c = ctx->sei_user_data[i];
|
|
if (c == '-') {
|
|
continue;
|
|
} else if (av_isxdigit(c)) {
|
|
c = av_tolower(c);
|
|
v = (c <= '9' ? c - '0' : c - 'a' + 10);
|
|
} else {
|
|
goto invalid_user_data;
|
|
}
|
|
if (j & 1)
|
|
udu->uuid_iso_iec_11578[j / 2] |= v;
|
|
else
|
|
udu->uuid_iso_iec_11578[j / 2] = v << 4;
|
|
++j;
|
|
}
|
|
if (j == 32 && ctx->sei_user_data[i] == '+') {
|
|
size_t len = strlen(ctx->sei_user_data + i + 1);
|
|
|
|
udu->data_ref = av_buffer_alloc(len + 1);
|
|
if (!udu->data_ref) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
udu->data = udu->data_ref->data;
|
|
udu->data_length = len + 1;
|
|
memcpy(udu->data, ctx->sei_user_data + i + 1, len + 1);
|
|
|
|
err = ff_cbs_h264_add_sei_message(ctx->cbc, au, &payload);
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to add user data SEI "
|
|
"message to access unit.\n");
|
|
goto fail;
|
|
}
|
|
|
|
} else {
|
|
invalid_user_data:
|
|
av_log(bsf, AV_LOG_ERROR, "Invalid user data: "
|
|
"must be \"UUID+string\".\n");
|
|
err = AVERROR(EINVAL);
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
if (ctx->delete_filler) {
|
|
for (i = au->nb_units - 1; i >= 0; i--) {
|
|
if (au->units[i].type == H264_NAL_FILLER_DATA) {
|
|
ff_cbs_delete_unit(ctx->cbc, au, i);
|
|
continue;
|
|
}
|
|
|
|
if (au->units[i].type == H264_NAL_SEI) {
|
|
// Filler SEI messages.
|
|
H264RawSEI *sei = au->units[i].content;
|
|
|
|
for (j = sei->payload_count - 1; j >= 0; j--) {
|
|
if (sei->payload[j].payload_type ==
|
|
H264_SEI_TYPE_FILLER_PAYLOAD)
|
|
ff_cbs_h264_delete_sei_message(ctx->cbc, au,
|
|
&au->units[i], j);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ctx->display_orientation != PASS) {
|
|
for (i = au->nb_units - 1; i >= 0; i--) {
|
|
H264RawSEI *sei;
|
|
if (au->units[i].type != H264_NAL_SEI)
|
|
continue;
|
|
sei = au->units[i].content;
|
|
|
|
for (j = sei->payload_count - 1; j >= 0; j--) {
|
|
H264RawSEIDisplayOrientation *disp;
|
|
int32_t *matrix;
|
|
|
|
if (sei->payload[j].payload_type !=
|
|
H264_SEI_TYPE_DISPLAY_ORIENTATION)
|
|
continue;
|
|
disp = &sei->payload[j].payload.display_orientation;
|
|
|
|
if (ctx->display_orientation == REMOVE ||
|
|
ctx->display_orientation == INSERT) {
|
|
ff_cbs_h264_delete_sei_message(ctx->cbc, au,
|
|
&au->units[i], j);
|
|
continue;
|
|
}
|
|
|
|
matrix = av_malloc(9 * sizeof(int32_t));
|
|
if (!matrix) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
av_display_rotation_set(matrix,
|
|
disp->anticlockwise_rotation *
|
|
180.0 / 65536.0);
|
|
av_display_matrix_flip(matrix, disp->hor_flip, disp->ver_flip);
|
|
|
|
// If there are multiple display orientation messages in an
|
|
// access unit, then the last one added to the packet (i.e.
|
|
// the first one in the access unit) will prevail.
|
|
err = av_packet_add_side_data(pkt, AV_PKT_DATA_DISPLAYMATRIX,
|
|
(uint8_t*)matrix,
|
|
9 * sizeof(int32_t));
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to attach extracted "
|
|
"displaymatrix side data to packet.\n");
|
|
av_freep(matrix);
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (ctx->display_orientation == INSERT) {
|
|
H264RawSEIPayload payload = {
|
|
.payload_type = H264_SEI_TYPE_DISPLAY_ORIENTATION,
|
|
};
|
|
H264RawSEIDisplayOrientation *disp =
|
|
&payload.payload.display_orientation;
|
|
uint8_t *data;
|
|
int size;
|
|
int write = 0;
|
|
|
|
data = av_packet_get_side_data(pkt, AV_PKT_DATA_DISPLAYMATRIX, &size);
|
|
if (data && size >= 9 * sizeof(int32_t)) {
|
|
int32_t matrix[9];
|
|
int hflip, vflip;
|
|
double angle;
|
|
|
|
memcpy(matrix, data, sizeof(matrix));
|
|
|
|
hflip = vflip = 0;
|
|
if (matrix[0] < 0 && matrix[4] > 0)
|
|
hflip = 1;
|
|
else if (matrix[0] > 0 && matrix[4] < 0)
|
|
vflip = 1;
|
|
av_display_matrix_flip(matrix, hflip, vflip);
|
|
|
|
angle = av_display_rotation_get(matrix);
|
|
|
|
if (!(angle >= -180.0 && angle <= 180.0 /* also excludes NaN */) ||
|
|
matrix[2] != 0 || matrix[5] != 0 ||
|
|
matrix[6] != 0 || matrix[7] != 0) {
|
|
av_log(bsf, AV_LOG_WARNING, "Input display matrix is not "
|
|
"representable in H.264 parameters.\n");
|
|
} else {
|
|
disp->hor_flip = hflip;
|
|
disp->ver_flip = vflip;
|
|
disp->anticlockwise_rotation =
|
|
(uint16_t)rint((angle >= 0.0 ? angle
|
|
: angle + 360.0) *
|
|
65536.0 / 360.0);
|
|
write = 1;
|
|
}
|
|
}
|
|
|
|
if (has_sps || !ctx->done_first_au) {
|
|
if (!isnan(ctx->rotate)) {
|
|
disp->anticlockwise_rotation =
|
|
(uint16_t)rint((ctx->rotate >= 0.0 ? ctx->rotate
|
|
: ctx->rotate + 360.0) *
|
|
65536.0 / 360.0);
|
|
write = 1;
|
|
}
|
|
if (ctx->flip) {
|
|
disp->hor_flip = !!(ctx->flip & FLIP_HORIZONTAL);
|
|
disp->ver_flip = !!(ctx->flip & FLIP_VERTICAL);
|
|
write = 1;
|
|
}
|
|
}
|
|
|
|
if (write) {
|
|
disp->display_orientation_repetition_period = 1;
|
|
|
|
err = ff_cbs_h264_add_sei_message(ctx->cbc, au, &payload);
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to add display orientation "
|
|
"SEI message to access unit.\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
|
|
err = ff_cbs_write_packet(ctx->cbc, pkt, au);
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to write packet.\n");
|
|
goto fail;
|
|
}
|
|
|
|
ctx->done_first_au = 1;
|
|
|
|
err = 0;
|
|
fail:
|
|
ff_cbs_fragment_reset(ctx->cbc, au);
|
|
|
|
if (err < 0)
|
|
av_packet_unref(pkt);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int h264_metadata_init(AVBSFContext *bsf)
|
|
{
|
|
H264MetadataContext *ctx = bsf->priv_data;
|
|
CodedBitstreamFragment *au = &ctx->access_unit;
|
|
int err, i;
|
|
|
|
err = ff_cbs_init(&ctx->cbc, AV_CODEC_ID_H264, bsf);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (bsf->par_in->extradata) {
|
|
err = ff_cbs_read_extradata(ctx->cbc, au, bsf->par_in);
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
|
|
goto fail;
|
|
}
|
|
|
|
for (i = 0; i < au->nb_units; i++) {
|
|
if (au->units[i].type == H264_NAL_SPS) {
|
|
err = h264_metadata_update_sps(bsf, au->units[i].content);
|
|
if (err < 0)
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
err = ff_cbs_write_extradata(ctx->cbc, bsf->par_out, au);
|
|
if (err < 0) {
|
|
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
err = 0;
|
|
fail:
|
|
ff_cbs_fragment_reset(ctx->cbc, au);
|
|
return err;
|
|
}
|
|
|
|
static void h264_metadata_close(AVBSFContext *bsf)
|
|
{
|
|
H264MetadataContext *ctx = bsf->priv_data;
|
|
|
|
ff_cbs_fragment_free(ctx->cbc, &ctx->access_unit);
|
|
ff_cbs_close(&ctx->cbc);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(H264MetadataContext, x)
|
|
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
|
|
static const AVOption h264_metadata_options[] = {
|
|
{ "aud", "Access Unit Delimiter NAL units",
|
|
OFFSET(aud), AV_OPT_TYPE_INT,
|
|
{ .i64 = PASS }, PASS, REMOVE, FLAGS, "aud" },
|
|
{ "pass", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = PASS }, .flags = FLAGS, .unit = "aud" },
|
|
{ "insert", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = INSERT }, .flags = FLAGS, .unit = "aud" },
|
|
{ "remove", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = REMOVE }, .flags = FLAGS, .unit = "aud" },
|
|
|
|
{ "sample_aspect_ratio", "Set sample aspect ratio (table E-1)",
|
|
OFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL,
|
|
{ .dbl = 0.0 }, 0, 65535, FLAGS },
|
|
|
|
{ "overscan_appropriate_flag", "Set VUI overscan appropriate flag",
|
|
OFFSET(overscan_appropriate_flag), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 1, FLAGS },
|
|
|
|
{ "video_format", "Set video format (table E-2)",
|
|
OFFSET(video_format), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 7, FLAGS},
|
|
{ "video_full_range_flag", "Set video full range flag",
|
|
OFFSET(video_full_range_flag), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 1, FLAGS },
|
|
{ "colour_primaries", "Set colour primaries (table E-3)",
|
|
OFFSET(colour_primaries), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 255, FLAGS },
|
|
{ "transfer_characteristics", "Set transfer characteristics (table E-4)",
|
|
OFFSET(transfer_characteristics), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 255, FLAGS },
|
|
{ "matrix_coefficients", "Set matrix coefficients (table E-5)",
|
|
OFFSET(matrix_coefficients), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 255, FLAGS },
|
|
|
|
{ "chroma_sample_loc_type", "Set chroma sample location type (figure E-1)",
|
|
OFFSET(chroma_sample_loc_type), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 6, FLAGS },
|
|
|
|
{ "tick_rate", "Set VUI tick rate (num_units_in_tick / time_scale)",
|
|
OFFSET(tick_rate), AV_OPT_TYPE_RATIONAL,
|
|
{ .dbl = 0.0 }, 0, UINT_MAX, FLAGS },
|
|
{ "fixed_frame_rate_flag", "Set VUI fixed frame rate flag",
|
|
OFFSET(fixed_frame_rate_flag), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, 1, FLAGS },
|
|
|
|
{ "crop_left", "Set left border crop offset",
|
|
OFFSET(crop_left), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, H264_MAX_WIDTH, FLAGS },
|
|
{ "crop_right", "Set right border crop offset",
|
|
OFFSET(crop_right), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, H264_MAX_WIDTH, FLAGS },
|
|
{ "crop_top", "Set top border crop offset",
|
|
OFFSET(crop_top), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, H264_MAX_HEIGHT, FLAGS },
|
|
{ "crop_bottom", "Set bottom border crop offset",
|
|
OFFSET(crop_bottom), AV_OPT_TYPE_INT,
|
|
{ .i64 = -1 }, -1, H264_MAX_HEIGHT, FLAGS },
|
|
|
|
{ "sei_user_data", "Insert SEI user data (UUID+string)",
|
|
OFFSET(sei_user_data), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
|
|
|
|
{ "delete_filler", "Delete all filler (both NAL and SEI)",
|
|
OFFSET(delete_filler), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS},
|
|
|
|
{ "display_orientation", "Display orientation SEI",
|
|
OFFSET(display_orientation), AV_OPT_TYPE_INT,
|
|
{ .i64 = PASS }, PASS, EXTRACT, FLAGS, "disp_or" },
|
|
{ "pass", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = PASS }, .flags = FLAGS, .unit = "disp_or" },
|
|
{ "insert", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = INSERT }, .flags = FLAGS, .unit = "disp_or" },
|
|
{ "remove", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = REMOVE }, .flags = FLAGS, .unit = "disp_or" },
|
|
{ "extract", NULL, 0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = EXTRACT }, .flags = FLAGS, .unit = "disp_or" },
|
|
|
|
{ "rotate", "Set rotation in display orientation SEI (anticlockwise angle in degrees)",
|
|
OFFSET(rotate), AV_OPT_TYPE_DOUBLE,
|
|
{ .dbl = NAN }, -360.0, +360.0, FLAGS },
|
|
{ "flip", "Set flip in display orientation SEI",
|
|
OFFSET(flip), AV_OPT_TYPE_FLAGS,
|
|
{ .i64 = 0 }, 0, FLIP_HORIZONTAL | FLIP_VERTICAL, FLAGS, "flip" },
|
|
{ "horizontal", "Set hor_flip",
|
|
0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = FLIP_HORIZONTAL }, .flags = FLAGS, .unit = "flip" },
|
|
{ "vertical", "Set ver_flip",
|
|
0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = FLIP_VERTICAL }, .flags = FLAGS, .unit = "flip" },
|
|
|
|
{ "level", "Set level (table A-1)",
|
|
OFFSET(level), AV_OPT_TYPE_INT,
|
|
{ .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, "level" },
|
|
{ "auto", "Attempt to guess level from stream properties",
|
|
0, AV_OPT_TYPE_CONST,
|
|
{ .i64 = LEVEL_AUTO }, .flags = FLAGS, .unit = "level" },
|
|
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
|
|
{ .i64 = value }, .flags = FLAGS, .unit = "level"
|
|
{ LEVEL("1", 10) },
|
|
{ LEVEL("1b", 9) },
|
|
{ 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 AVClass h264_metadata_class = {
|
|
.class_name = "h264_metadata_bsf",
|
|
.item_name = av_default_item_name,
|
|
.option = h264_metadata_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
static const enum AVCodecID h264_metadata_codec_ids[] = {
|
|
AV_CODEC_ID_H264, AV_CODEC_ID_NONE,
|
|
};
|
|
|
|
const AVBitStreamFilter ff_h264_metadata_bsf = {
|
|
.name = "h264_metadata",
|
|
.priv_data_size = sizeof(H264MetadataContext),
|
|
.priv_class = &h264_metadata_class,
|
|
.init = &h264_metadata_init,
|
|
.close = &h264_metadata_close,
|
|
.filter = &h264_metadata_filter,
|
|
.codec_ids = h264_metadata_codec_ids,
|
|
};
|