| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/avstring.h" | ||
| 20 | #include "libavutil/display.h" | ||
| 21 | #include "libavutil/common.h" | ||
| 22 | #include "libavutil/opt.h" | ||
| 23 | |||
| 24 | #include "bsf.h" | ||
| 25 | #include "bsf_internal.h" | ||
| 26 | #include "cbs.h" | ||
| 27 | #include "cbs_bsf.h" | ||
| 28 | #include "cbs_h264.h" | ||
| 29 | #include "cbs_sei.h" | ||
| 30 | #include "h264.h" | ||
| 31 | #include "h264_levels.h" | ||
| 32 | #include "h2645data.h" | ||
| 33 | #include "sei.h" | ||
| 34 | |||
| 35 | enum { | ||
| 36 | FLIP_HORIZONTAL = 1, | ||
| 37 | FLIP_VERTICAL = 2, | ||
| 38 | }; | ||
| 39 | |||
| 40 | enum { | ||
| 41 | LEVEL_UNSET = -2, | ||
| 42 | LEVEL_AUTO = -1, | ||
| 43 | }; | ||
| 44 | |||
| 45 | typedef struct H264MetadataContext { | ||
| 46 | CBSBSFContext common; | ||
| 47 | |||
| 48 | int done_first_au; | ||
| 49 | |||
| 50 | int aud; | ||
| 51 | H264RawAUD aud_nal; | ||
| 52 | |||
| 53 | AVRational sample_aspect_ratio; | ||
| 54 | |||
| 55 | int overscan_appropriate_flag; | ||
| 56 | |||
| 57 | int video_format; | ||
| 58 | int video_full_range_flag; | ||
| 59 | int colour_primaries; | ||
| 60 | int transfer_characteristics; | ||
| 61 | int matrix_coefficients; | ||
| 62 | |||
| 63 | int chroma_sample_loc_type; | ||
| 64 | |||
| 65 | AVRational tick_rate; | ||
| 66 | int fixed_frame_rate_flag; | ||
| 67 | int zero_new_constraint_set_flags; | ||
| 68 | |||
| 69 | int crop_left; | ||
| 70 | int crop_right; | ||
| 71 | int crop_top; | ||
| 72 | int crop_bottom; | ||
| 73 | |||
| 74 | const char *sei_user_data; | ||
| 75 | SEIRawUserDataUnregistered sei_user_data_payload; | ||
| 76 | |||
| 77 | int delete_filler; | ||
| 78 | |||
| 79 | int display_orientation; | ||
| 80 | double rotate; | ||
| 81 | int flip; | ||
| 82 | H264RawSEIDisplayOrientation display_orientation_payload; | ||
| 83 | |||
| 84 | int level; | ||
| 85 | } H264MetadataContext; | ||
| 86 | |||
| 87 | |||
| 88 | ✗ | static int h264_metadata_insert_aud(AVBSFContext *bsf, | |
| 89 | CodedBitstreamFragment *au) | ||
| 90 | { | ||
| 91 | ✗ | H264MetadataContext *ctx = bsf->priv_data; | |
| 92 | ✗ | int primary_pic_type_mask = 0xff; | |
| 93 | int err, i, j; | ||
| 94 | |||
| 95 | static const int primary_pic_type_table[] = { | ||
| 96 | 0x084, // 2, 7 | ||
| 97 | 0x0a5, // 0, 2, 5, 7 | ||
| 98 | 0x0e7, // 0, 1, 2, 5, 6, 7 | ||
| 99 | 0x210, // 4, 9 | ||
| 100 | 0x318, // 3, 4, 8, 9 | ||
| 101 | 0x294, // 2, 4, 7, 9 | ||
| 102 | 0x3bd, // 0, 2, 3, 4, 5, 7, 8, 9 | ||
| 103 | 0x3ff, // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 | ||
| 104 | }; | ||
| 105 | |||
| 106 | ✗ | for (i = 0; i < au->nb_units; i++) { | |
| 107 | ✗ | if (au->units[i].type == H264_NAL_SLICE || | |
| 108 | ✗ | au->units[i].type == H264_NAL_IDR_SLICE) { | |
| 109 | ✗ | H264RawSlice *slice = au->units[i].content; | |
| 110 | ✗ | for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++) { | |
| 111 | ✗ | if (!(primary_pic_type_table[j] & | |
| 112 | ✗ | (1 << slice->header.slice_type))) | |
| 113 | ✗ | primary_pic_type_mask &= ~(1 << j); | |
| 114 | } | ||
| 115 | } | ||
| 116 | } | ||
| 117 | ✗ | for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++) | |
| 118 | ✗ | if (primary_pic_type_mask & (1 << j)) | |
| 119 | ✗ | break; | |
| 120 | ✗ | if (j >= FF_ARRAY_ELEMS(primary_pic_type_table)) { | |
| 121 | ✗ | av_log(bsf, AV_LOG_ERROR, "No usable primary_pic_type: " | |
| 122 | "invalid slice types?\n"); | ||
| 123 | ✗ | return AVERROR_INVALIDDATA; | |
| 124 | } | ||
| 125 | |||
| 126 | ✗ | ctx->aud_nal = (H264RawAUD) { | |
| 127 | .nal_unit_header.nal_unit_type = H264_NAL_AUD, | ||
| 128 | .primary_pic_type = j, | ||
| 129 | }; | ||
| 130 | |||
| 131 | ✗ | err = ff_cbs_insert_unit_content(au, 0, H264_NAL_AUD, | |
| 132 | ✗ | &ctx->aud_nal, NULL); | |
| 133 | ✗ | if (err < 0) { | |
| 134 | ✗ | av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n"); | |
| 135 | ✗ | return err; | |
| 136 | } | ||
| 137 | |||
| 138 | ✗ | return 0; | |
| 139 | } | ||
| 140 | |||
| 141 | 42 | static int h264_metadata_update_sps(AVBSFContext *bsf, | |
| 142 | H264RawSPS *sps) | ||
| 143 | { | ||
| 144 | 42 | H264MetadataContext *ctx = bsf->priv_data; | |
| 145 | 42 | int need_vui = 0; | |
| 146 | int crop_unit_x, crop_unit_y; | ||
| 147 | |||
| 148 |
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42 | if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) { |
| 149 | int num, den, i; | ||
| 150 | |||
| 151 | ✗ | av_reduce(&num, &den, ctx->sample_aspect_ratio.num, | |
| 152 | ✗ | ctx->sample_aspect_ratio.den, 65535); | |
| 153 | |||
| 154 | ✗ | for (i = 1; i < FF_ARRAY_ELEMS(ff_h2645_pixel_aspect); i++) { | |
| 155 | ✗ | if (num == ff_h2645_pixel_aspect[i].num && | |
| 156 | ✗ | den == ff_h2645_pixel_aspect[i].den) | |
| 157 | ✗ | break; | |
| 158 | } | ||
| 159 | ✗ | if (i == FF_ARRAY_ELEMS(ff_h2645_pixel_aspect)) { | |
| 160 | ✗ | sps->vui.aspect_ratio_idc = 255; | |
| 161 | ✗ | sps->vui.sar_width = num; | |
| 162 | ✗ | sps->vui.sar_height = den; | |
| 163 | } else { | ||
| 164 | ✗ | sps->vui.aspect_ratio_idc = i; | |
| 165 | } | ||
| 166 | ✗ | sps->vui.aspect_ratio_info_present_flag = 1; | |
| 167 | ✗ | need_vui = 1; | |
| 168 | } | ||
| 169 | |||
| 170 | #define SET_VUI_FIELD(field) do { \ | ||
| 171 | if (ctx->field >= 0) { \ | ||
| 172 | sps->vui.field = ctx->field; \ | ||
| 173 | need_vui = 1; \ | ||
| 174 | } \ | ||
| 175 | } while (0) | ||
| 176 | |||
| 177 |
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42 | if (ctx->overscan_appropriate_flag >= 0) { |
| 178 | ✗ | SET_VUI_FIELD(overscan_appropriate_flag); | |
| 179 | ✗ | sps->vui.overscan_info_present_flag = 1; | |
| 180 | } | ||
| 181 | |||
| 182 |
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42 | if (ctx->video_format >= 0 || |
| 183 |
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42 | ctx->video_full_range_flag >= 0 || |
| 184 |
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42 | ctx->colour_primaries >= 0 || |
| 185 |
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42 | ctx->transfer_characteristics >= 0 || |
| 186 |
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42 | ctx->matrix_coefficients >= 0) { |
| 187 | |||
| 188 | ✗ | SET_VUI_FIELD(video_format); | |
| 189 | |||
| 190 | ✗ | SET_VUI_FIELD(video_full_range_flag); | |
| 191 | |||
| 192 | ✗ | if (ctx->colour_primaries >= 0 || | |
| 193 | ✗ | ctx->transfer_characteristics >= 0 || | |
| 194 | ✗ | ctx->matrix_coefficients >= 0) { | |
| 195 | |||
| 196 | ✗ | SET_VUI_FIELD(colour_primaries); | |
| 197 | ✗ | SET_VUI_FIELD(transfer_characteristics); | |
| 198 | ✗ | SET_VUI_FIELD(matrix_coefficients); | |
| 199 | |||
| 200 | ✗ | sps->vui.colour_description_present_flag = 1; | |
| 201 | } | ||
| 202 | ✗ | sps->vui.video_signal_type_present_flag = 1; | |
| 203 | } | ||
| 204 | |||
| 205 |
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42 | if (ctx->chroma_sample_loc_type >= 0) { |
| 206 | ✗ | sps->vui.chroma_sample_loc_type_top_field = | |
| 207 | ✗ | ctx->chroma_sample_loc_type; | |
| 208 | ✗ | sps->vui.chroma_sample_loc_type_bottom_field = | |
| 209 | ✗ | ctx->chroma_sample_loc_type; | |
| 210 | ✗ | sps->vui.chroma_loc_info_present_flag = 1; | |
| 211 | ✗ | need_vui = 1; | |
| 212 | } | ||
| 213 | |||
| 214 |
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42 | if (ctx->tick_rate.num && ctx->tick_rate.den) { |
| 215 | int num, den; | ||
| 216 | |||
| 217 | ✗ | av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den, | |
| 218 | UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX); | ||
| 219 | |||
| 220 | ✗ | sps->vui.time_scale = num; | |
| 221 | ✗ | sps->vui.num_units_in_tick = den; | |
| 222 | |||
| 223 | ✗ | sps->vui.timing_info_present_flag = 1; | |
| 224 | ✗ | need_vui = 1; | |
| 225 | } | ||
| 226 |
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42 | SET_VUI_FIELD(fixed_frame_rate_flag); |
| 227 |
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42 | if (ctx->zero_new_constraint_set_flags) { |
| 228 | ✗ | sps->constraint_set4_flag = 0; | |
| 229 | ✗ | sps->constraint_set5_flag = 0; | |
| 230 | } | ||
| 231 | |||
| 232 |
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42 | if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) { |
| 233 | ✗ | crop_unit_x = 1; | |
| 234 | ✗ | crop_unit_y = 2 - sps->frame_mbs_only_flag; | |
| 235 | } else { | ||
| 236 |
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42 | crop_unit_x = 1 + (sps->chroma_format_idc < 3); |
| 237 |
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42 | crop_unit_y = (1 + (sps->chroma_format_idc < 2)) * |
| 238 | 42 | (2 - sps->frame_mbs_only_flag); | |
| 239 | } | ||
| 240 | #define CROP(border, unit) do { \ | ||
| 241 | if (ctx->crop_ ## border >= 0) { \ | ||
| 242 | if (ctx->crop_ ## border % unit != 0) { \ | ||
| 243 | av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \ | ||
| 244 | "must be a multiple of %d.\n", #border, unit); \ | ||
| 245 | return AVERROR(EINVAL); \ | ||
| 246 | } \ | ||
| 247 | sps->frame_crop_ ## border ## _offset = \ | ||
| 248 | ctx->crop_ ## border / unit; \ | ||
| 249 | sps->frame_cropping_flag = 1; \ | ||
| 250 | } \ | ||
| 251 | } while (0) | ||
| 252 |
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42 | CROP(left, crop_unit_x); |
| 253 |
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42 | CROP(right, crop_unit_x); |
| 254 |
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42 | CROP(top, crop_unit_y); |
| 255 |
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42 | CROP(bottom, crop_unit_y); |
| 256 | #undef CROP | ||
| 257 | |||
| 258 |
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42 | if (ctx->level != LEVEL_UNSET) { |
| 259 | int level_idc; | ||
| 260 | |||
| 261 | ✗ | if (ctx->level == LEVEL_AUTO) { | |
| 262 | const H264LevelDescriptor *desc; | ||
| 263 | int64_t bit_rate; | ||
| 264 | int width, height, dpb_frames; | ||
| 265 | int framerate; | ||
| 266 | |||
| 267 | ✗ | if (sps->vui.nal_hrd_parameters_present_flag) { | |
| 268 | ✗ | bit_rate = (sps->vui.nal_hrd_parameters.bit_rate_value_minus1[0] + 1) * | |
| 269 | ✗ | (INT64_C(1) << (sps->vui.nal_hrd_parameters.bit_rate_scale + 6)); | |
| 270 | ✗ | } else if (sps->vui.vcl_hrd_parameters_present_flag) { | |
| 271 | ✗ | bit_rate = (sps->vui.vcl_hrd_parameters.bit_rate_value_minus1[0] + 1) * | |
| 272 | ✗ | (INT64_C(1) << (sps->vui.vcl_hrd_parameters.bit_rate_scale + 6)); | |
| 273 | // Adjust for VCL vs. NAL limits. | ||
| 274 | ✗ | bit_rate = bit_rate * 6 / 5; | |
| 275 | } else { | ||
| 276 | ✗ | bit_rate = 0; | |
| 277 | } | ||
| 278 | |||
| 279 | // Don't use max_dec_frame_buffering if it is only inferred. | ||
| 280 | ✗ | dpb_frames = sps->vui.bitstream_restriction_flag ? | |
| 281 | ✗ | sps->vui.max_dec_frame_buffering : H264_MAX_DPB_FRAMES; | |
| 282 | |||
| 283 | ✗ | width = 16 * (sps->pic_width_in_mbs_minus1 + 1); | |
| 284 | ✗ | height = 16 * (sps->pic_height_in_map_units_minus1 + 1) * | |
| 285 | ✗ | (2 - sps->frame_mbs_only_flag); | |
| 286 | |||
| 287 | ✗ | if (sps->vui.timing_info_present_flag) | |
| 288 | ✗ | framerate = sps->vui.time_scale / sps->vui.num_units_in_tick / 2; | |
| 289 | else | ||
| 290 | ✗ | framerate = 0; | |
| 291 | |||
| 292 | ✗ | desc = ff_h264_guess_level(sps->profile_idc, bit_rate, framerate, | |
| 293 | width, height, dpb_frames); | ||
| 294 | ✗ | if (desc) { | |
| 295 | ✗ | level_idc = desc->level_idc; | |
| 296 | } else { | ||
| 297 | ✗ | av_log(bsf, AV_LOG_WARNING, "Stream does not appear to " | |
| 298 | "conform to any level: using level 6.2.\n"); | ||
| 299 | ✗ | level_idc = 62; | |
| 300 | } | ||
| 301 | } else { | ||
| 302 | ✗ | level_idc = ctx->level; | |
| 303 | } | ||
| 304 | |||
| 305 | ✗ | if (level_idc == 9) { | |
| 306 | ✗ | if (sps->profile_idc == 66 || | |
| 307 | ✗ | sps->profile_idc == 77 || | |
| 308 | ✗ | sps->profile_idc == 88) { | |
| 309 | ✗ | sps->level_idc = 11; | |
| 310 | ✗ | sps->constraint_set3_flag = 1; | |
| 311 | } else { | ||
| 312 | ✗ | sps->level_idc = 9; | |
| 313 | } | ||
| 314 | } else { | ||
| 315 | ✗ | sps->level_idc = level_idc; | |
| 316 | } | ||
| 317 | } | ||
| 318 | |||
| 319 |
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42 | if (need_vui) |
| 320 | ✗ | sps->vui_parameters_present_flag = 1; | |
| 321 | |||
| 322 | 42 | return 0; | |
| 323 | } | ||
| 324 | |||
| 325 | ✗ | static int h264_metadata_handle_display_orientation(AVBSFContext *bsf, | |
| 326 | AVPacket *pkt, | ||
| 327 | CodedBitstreamFragment *au, | ||
| 328 | int seek_point) | ||
| 329 | { | ||
| 330 | ✗ | H264MetadataContext *ctx = bsf->priv_data; | |
| 331 | SEIRawMessage *message; | ||
| 332 | int err; | ||
| 333 | |||
| 334 | ✗ | message = NULL; | |
| 335 | ✗ | while (ff_cbs_sei_find_message(ctx->common.output, au, | |
| 336 | SEI_TYPE_DISPLAY_ORIENTATION, | ||
| 337 | ✗ | &message) == 0) { | |
| 338 | ✗ | H264RawSEIDisplayOrientation *disp = message->payload; | |
| 339 | ✗ | double angle = disp->anticlockwise_rotation * 180.0 / 65536.0; | |
| 340 | int32_t *matrix; | ||
| 341 | |||
| 342 | ✗ | matrix = av_malloc(9 * sizeof(int32_t)); | |
| 343 | ✗ | if (!matrix) | |
| 344 | ✗ | return AVERROR(ENOMEM); | |
| 345 | |||
| 346 | /* av_display_rotation_set() expects the angle in the clockwise | ||
| 347 | * direction, hence the first minus. | ||
| 348 | * The below code applies the flips after the rotation, yet | ||
| 349 | * the H.2645 specs require flipping to be applied first. | ||
| 350 | * Because of R O(phi) = O(-phi) R (where R is flipping around | ||
| 351 | * an arbitatry axis and O(phi) is the proper rotation by phi) | ||
| 352 | * we can create display matrices as desired by negating | ||
| 353 | * the degree once for every flip applied. */ | ||
| 354 | ✗ | angle = -angle * (1 - 2 * !!disp->hor_flip) * (1 - 2 * !!disp->ver_flip); | |
| 355 | |||
| 356 | ✗ | av_display_rotation_set(matrix, angle); | |
| 357 | ✗ | av_display_matrix_flip(matrix, disp->hor_flip, disp->ver_flip); | |
| 358 | |||
| 359 | // If there are multiple display orientation messages in an | ||
| 360 | // access unit, then the last one added to the packet (i.e. | ||
| 361 | // the first one in the access unit) will prevail. | ||
| 362 | ✗ | err = av_packet_add_side_data(pkt, AV_PKT_DATA_DISPLAYMATRIX, | |
| 363 | (uint8_t*)matrix, | ||
| 364 | 9 * sizeof(int32_t)); | ||
| 365 | ✗ | if (err < 0) { | |
| 366 | ✗ | av_log(bsf, AV_LOG_ERROR, "Failed to attach extracted " | |
| 367 | "displaymatrix side data to packet.\n"); | ||
| 368 | ✗ | av_free(matrix); | |
| 369 | ✗ | return AVERROR(ENOMEM); | |
| 370 | } | ||
| 371 | } | ||
| 372 | |||
| 373 | ✗ | if (ctx->display_orientation == BSF_ELEMENT_REMOVE || | |
| 374 | ✗ | ctx->display_orientation == BSF_ELEMENT_INSERT) { | |
| 375 | ✗ | ff_cbs_sei_delete_message_type(ctx->common.output, au, | |
| 376 | SEI_TYPE_DISPLAY_ORIENTATION); | ||
| 377 | } | ||
| 378 | |||
| 379 | ✗ | if (ctx->display_orientation == BSF_ELEMENT_INSERT) { | |
| 380 | ✗ | H264RawSEIDisplayOrientation *disp = | |
| 381 | &ctx->display_orientation_payload; | ||
| 382 | uint8_t *data; | ||
| 383 | size_t size; | ||
| 384 | ✗ | int write = 0; | |
| 385 | |||
| 386 | ✗ | data = av_packet_get_side_data(pkt, AV_PKT_DATA_DISPLAYMATRIX, &size); | |
| 387 | ✗ | if (data && size >= 9 * sizeof(int32_t)) { | |
| 388 | int32_t matrix[9]; | ||
| 389 | double dmatrix[9]; | ||
| 390 | int hflip, vflip, i; | ||
| 391 | double scale_x, scale_y, angle; | ||
| 392 | |||
| 393 | ✗ | memcpy(matrix, data, sizeof(matrix)); | |
| 394 | |||
| 395 | ✗ | for (i = 0; i < 9; i++) | |
| 396 | ✗ | dmatrix[i] = matrix[i] / 65536.0; | |
| 397 | |||
| 398 | // Extract scale factors. | ||
| 399 | ✗ | scale_x = hypot(dmatrix[0], dmatrix[3]); | |
| 400 | ✗ | scale_y = hypot(dmatrix[1], dmatrix[4]); | |
| 401 | |||
| 402 | // Select flips to make the main diagonal positive. | ||
| 403 | ✗ | hflip = dmatrix[0] < 0.0; | |
| 404 | ✗ | vflip = dmatrix[4] < 0.0; | |
| 405 | ✗ | if (hflip) | |
| 406 | ✗ | scale_x = -scale_x; | |
| 407 | ✗ | if (vflip) | |
| 408 | ✗ | scale_y = -scale_y; | |
| 409 | |||
| 410 | // Rescale. | ||
| 411 | ✗ | for (i = 0; i < 9; i += 3) { | |
| 412 | ✗ | dmatrix[i] /= scale_x; | |
| 413 | ✗ | dmatrix[i + 1] /= scale_y; | |
| 414 | } | ||
| 415 | |||
| 416 | // Extract rotation. | ||
| 417 | ✗ | angle = atan2(dmatrix[3], dmatrix[0]); | |
| 418 | |||
| 419 | ✗ | if (!(angle >= -M_PI && angle <= M_PI) || | |
| 420 | ✗ | matrix[2] != 0.0 || matrix[5] != 0.0 || | |
| 421 | ✗ | matrix[6] != 0.0 || matrix[7] != 0.0) { | |
| 422 | ✗ | av_log(bsf, AV_LOG_WARNING, "Input display matrix is not " | |
| 423 | "representable in H.264 parameters.\n"); | ||
| 424 | } else { | ||
| 425 | ✗ | disp->hor_flip = hflip; | |
| 426 | ✗ | disp->ver_flip = vflip; | |
| 427 | ✗ | disp->anticlockwise_rotation = | |
| 428 | ✗ | (uint16_t)rint((angle >= 0.0 ? angle | |
| 429 | ✗ | : angle + 2 * M_PI) * | |
| 430 | 32768.0 / M_PI); | ||
| 431 | ✗ | write = 1; | |
| 432 | } | ||
| 433 | } | ||
| 434 | |||
| 435 | ✗ | if (seek_point) { | |
| 436 | ✗ | if (!isnan(ctx->rotate)) { | |
| 437 | ✗ | disp->anticlockwise_rotation = | |
| 438 | ✗ | (uint16_t)rint((ctx->rotate >= 0.0 ? ctx->rotate | |
| 439 | ✗ | : ctx->rotate + 360.0) * | |
| 440 | 65536.0 / 360.0); | ||
| 441 | ✗ | write = 1; | |
| 442 | } | ||
| 443 | ✗ | if (ctx->flip) { | |
| 444 | ✗ | disp->hor_flip = !!(ctx->flip & FLIP_HORIZONTAL); | |
| 445 | ✗ | disp->ver_flip = !!(ctx->flip & FLIP_VERTICAL); | |
| 446 | ✗ | write = 1; | |
| 447 | } | ||
| 448 | } | ||
| 449 | |||
| 450 | ✗ | if (write) { | |
| 451 | ✗ | disp->display_orientation_repetition_period = 1; | |
| 452 | |||
| 453 | ✗ | err = ff_cbs_sei_add_message(ctx->common.output, au, 1, | |
| 454 | SEI_TYPE_DISPLAY_ORIENTATION, | ||
| 455 | disp, NULL); | ||
| 456 | ✗ | if (err < 0) { | |
| 457 | ✗ | av_log(bsf, AV_LOG_ERROR, "Failed to add display orientation " | |
| 458 | "SEI message to access unit.\n"); | ||
| 459 | ✗ | return err; | |
| 460 | } | ||
| 461 | } | ||
| 462 | } | ||
| 463 | |||
| 464 | ✗ | return 0; | |
| 465 | } | ||
| 466 | |||
| 467 | 2390 | static int h264_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt, | |
| 468 | CodedBitstreamFragment *au) | ||
| 469 | { | ||
| 470 | 2390 | H264MetadataContext *ctx = bsf->priv_data; | |
| 471 | int err, i, has_sps, seek_point; | ||
| 472 | |||
| 473 |
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2390 | if (ctx->aud == BSF_ELEMENT_REMOVE) { |
| 474 |
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216 | for (i = au->nb_units - 1; i >= 0; i--) { |
| 475 |
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176 | if (au->units[i].type == H264_NAL_AUD) |
| 476 | 39 | ff_cbs_delete_unit(au, i); | |
| 477 | } | ||
| 478 |
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2350 | } else if (ctx->aud == BSF_ELEMENT_INSERT) { |
| 479 | ✗ | if (pkt) { | |
| 480 | ✗ | err = h264_metadata_insert_aud(bsf, au); | |
| 481 | ✗ | if (err < 0) | |
| 482 | ✗ | return err; | |
| 483 | } | ||
| 484 | } | ||
| 485 | |||
| 486 | 2390 | has_sps = 0; | |
| 487 |
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9143 | for (i = 0; i < au->nb_units; i++) { |
| 488 |
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6753 | if (au->units[i].type == H264_NAL_SPS) { |
| 489 | 42 | err = h264_metadata_update_sps(bsf, au->units[i].content); | |
| 490 |
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42 | if (err < 0) |
| 491 | ✗ | return err; | |
| 492 | 42 | has_sps = 1; | |
| 493 | } | ||
| 494 | } | ||
| 495 | |||
| 496 |
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2390 | if (pkt) { |
| 497 | // The current packet should be treated as a seek point for metadata | ||
| 498 | // insertion if any of: | ||
| 499 | // - It is the first packet in the stream. | ||
| 500 | // - It contains an SPS, indicating that a sequence might start here. | ||
| 501 | // - It is marked as containing a key frame. | ||
| 502 |
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4722 | seek_point = !ctx->done_first_au || has_sps || |
| 503 |
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2348 | (pkt->flags & AV_PKT_FLAG_KEY); |
| 504 | } else { | ||
| 505 | 16 | seek_point = 0; | |
| 506 | } | ||
| 507 | |||
| 508 |
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2390 | if (ctx->sei_user_data && seek_point) { |
| 509 | ✗ | err = ff_cbs_sei_add_message(ctx->common.output, au, 1, | |
| 510 | SEI_TYPE_USER_DATA_UNREGISTERED, | ||
| 511 | ✗ | &ctx->sei_user_data_payload, NULL); | |
| 512 | ✗ | if (err < 0) { | |
| 513 | ✗ | av_log(bsf, AV_LOG_ERROR, "Failed to add user data SEI " | |
| 514 | "message to access unit.\n"); | ||
| 515 | ✗ | return err; | |
| 516 | } | ||
| 517 | } | ||
| 518 | |||
| 519 |
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2390 | if (ctx->delete_filler) { |
| 520 |
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177 | for (i = au->nb_units - 1; i >= 0; i--) { |
| 521 |
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137 | if (au->units[i].type == H264_NAL_FILLER_DATA) { |
| 522 | 33 | ff_cbs_delete_unit(au, i); | |
| 523 | 33 | continue; | |
| 524 | } | ||
| 525 | } | ||
| 526 | |||
| 527 | 40 | ff_cbs_sei_delete_message_type(ctx->common.output, au, | |
| 528 | SEI_TYPE_FILLER_PAYLOAD); | ||
| 529 | } | ||
| 530 | |||
| 531 |
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2390 | if (pkt && ctx->display_orientation != BSF_ELEMENT_PASS) { |
| 532 | ✗ | err = h264_metadata_handle_display_orientation(bsf, pkt, au, | |
| 533 | seek_point); | ||
| 534 | ✗ | if (err < 0) | |
| 535 | ✗ | return err; | |
| 536 | } | ||
| 537 | |||
| 538 |
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2390 | if (pkt) |
| 539 | 2374 | ctx->done_first_au = 1; | |
| 540 | |||
| 541 | 2390 | return 0; | |
| 542 | } | ||
| 543 | |||
| 544 | static const CBSBSFType h264_metadata_type = { | ||
| 545 | .codec_id = AV_CODEC_ID_H264, | ||
| 546 | .fragment_name = "access unit", | ||
| 547 | .unit_name = "NAL unit", | ||
| 548 | .update_fragment = &h264_metadata_update_fragment, | ||
| 549 | }; | ||
| 550 | |||
| 551 | 16 | static int h264_metadata_init(AVBSFContext *bsf) | |
| 552 | { | ||
| 553 | 16 | H264MetadataContext *ctx = bsf->priv_data; | |
| 554 | |||
| 555 |
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16 | if (ctx->sei_user_data) { |
| 556 | ✗ | SEIRawUserDataUnregistered *udu = &ctx->sei_user_data_payload; | |
| 557 | int i, j; | ||
| 558 | |||
| 559 | // Parse UUID. It must be a hex string of length 32, possibly | ||
| 560 | // containing '-'s between hex digits (which we ignore). | ||
| 561 | ✗ | for (i = j = 0; j < 32 && i < 64 && ctx->sei_user_data[i]; i++) { | |
| 562 | int c, v; | ||
| 563 | ✗ | c = ctx->sei_user_data[i]; | |
| 564 | ✗ | if (c == '-') { | |
| 565 | ✗ | continue; | |
| 566 | ✗ | } else if (av_isxdigit(c)) { | |
| 567 | ✗ | c = av_tolower(c); | |
| 568 | ✗ | v = (c <= '9' ? c - '0' : c - 'a' + 10); | |
| 569 | } else { | ||
| 570 | ✗ | break; | |
| 571 | } | ||
| 572 | ✗ | if (j & 1) | |
| 573 | ✗ | udu->uuid_iso_iec_11578[j / 2] |= v; | |
| 574 | else | ||
| 575 | ✗ | udu->uuid_iso_iec_11578[j / 2] = v << 4; | |
| 576 | ✗ | ++j; | |
| 577 | } | ||
| 578 | ✗ | if (j == 32 && ctx->sei_user_data[i] == '+') { | |
| 579 | ✗ | udu->data = (uint8_t*)ctx->sei_user_data + i + 1; | |
| 580 | ✗ | udu->data_length = strlen(udu->data) + 1; | |
| 581 | } else { | ||
| 582 | ✗ | av_log(bsf, AV_LOG_ERROR, "Invalid user data: " | |
| 583 | "must be \"UUID+string\".\n"); | ||
| 584 | ✗ | return AVERROR(EINVAL); | |
| 585 | } | ||
| 586 | } | ||
| 587 | |||
| 588 | 16 | return ff_cbs_bsf_generic_init(bsf, &h264_metadata_type); | |
| 589 | } | ||
| 590 | |||
| 591 | #define OFFSET(x) offsetof(H264MetadataContext, x) | ||
| 592 | #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM) | ||
| 593 | static const AVOption h264_metadata_options[] = { | ||
| 594 | BSF_ELEMENT_OPTIONS_PIR("aud", "Access Unit Delimiter NAL units", | ||
| 595 | aud, FLAGS), | ||
| 596 | |||
| 597 | { "sample_aspect_ratio", "Set sample aspect ratio (table E-1)", | ||
| 598 | OFFSET(sample_aspect_ratio), AV_OPT_TYPE_RATIONAL, | ||
| 599 | { .dbl = 0.0 }, 0, 65535, FLAGS }, | ||
| 600 | |||
| 601 | { "overscan_appropriate_flag", "Set VUI overscan appropriate flag", | ||
| 602 | OFFSET(overscan_appropriate_flag), AV_OPT_TYPE_INT, | ||
| 603 | { .i64 = -1 }, -1, 1, FLAGS }, | ||
| 604 | |||
| 605 | { "video_format", "Set video format (table E-2)", | ||
| 606 | OFFSET(video_format), AV_OPT_TYPE_INT, | ||
| 607 | { .i64 = -1 }, -1, 7, FLAGS}, | ||
| 608 | { "video_full_range_flag", "Set video full range flag", | ||
| 609 | OFFSET(video_full_range_flag), AV_OPT_TYPE_INT, | ||
| 610 | { .i64 = -1 }, -1, 1, FLAGS }, | ||
| 611 | { "colour_primaries", "Set colour primaries (table E-3)", | ||
| 612 | OFFSET(colour_primaries), AV_OPT_TYPE_INT, | ||
| 613 | { .i64 = -1 }, -1, 255, FLAGS }, | ||
| 614 | { "transfer_characteristics", "Set transfer characteristics (table E-4)", | ||
| 615 | OFFSET(transfer_characteristics), AV_OPT_TYPE_INT, | ||
| 616 | { .i64 = -1 }, -1, 255, FLAGS }, | ||
| 617 | { "matrix_coefficients", "Set matrix coefficients (table E-5)", | ||
| 618 | OFFSET(matrix_coefficients), AV_OPT_TYPE_INT, | ||
| 619 | { .i64 = -1 }, -1, 255, FLAGS }, | ||
| 620 | |||
| 621 | { "chroma_sample_loc_type", "Set chroma sample location type (figure E-1)", | ||
| 622 | OFFSET(chroma_sample_loc_type), AV_OPT_TYPE_INT, | ||
| 623 | { .i64 = -1 }, -1, 5, FLAGS }, | ||
| 624 | |||
| 625 | { "tick_rate", "Set VUI tick rate (time_scale / num_units_in_tick)", | ||
| 626 | OFFSET(tick_rate), AV_OPT_TYPE_RATIONAL, | ||
| 627 | { .dbl = 0.0 }, 0, UINT_MAX, FLAGS }, | ||
| 628 | { "fixed_frame_rate_flag", "Set VUI fixed frame rate flag", | ||
| 629 | OFFSET(fixed_frame_rate_flag), AV_OPT_TYPE_INT, | ||
| 630 | { .i64 = -1 }, -1, 1, FLAGS }, | ||
| 631 | { "zero_new_constraint_set_flags", "Set constraint_set4_flag / constraint_set5_flag to zero", | ||
| 632 | OFFSET(zero_new_constraint_set_flags), AV_OPT_TYPE_BOOL, | ||
| 633 | { .i64 = 0 }, 0, 1, FLAGS }, | ||
| 634 | |||
| 635 | { "crop_left", "Set left border crop offset", | ||
| 636 | OFFSET(crop_left), AV_OPT_TYPE_INT, | ||
| 637 | { .i64 = -1 }, -1, H264_MAX_WIDTH, FLAGS }, | ||
| 638 | { "crop_right", "Set right border crop offset", | ||
| 639 | OFFSET(crop_right), AV_OPT_TYPE_INT, | ||
| 640 | { .i64 = -1 }, -1, H264_MAX_WIDTH, FLAGS }, | ||
| 641 | { "crop_top", "Set top border crop offset", | ||
| 642 | OFFSET(crop_top), AV_OPT_TYPE_INT, | ||
| 643 | { .i64 = -1 }, -1, H264_MAX_HEIGHT, FLAGS }, | ||
| 644 | { "crop_bottom", "Set bottom border crop offset", | ||
| 645 | OFFSET(crop_bottom), AV_OPT_TYPE_INT, | ||
| 646 | { .i64 = -1 }, -1, H264_MAX_HEIGHT, FLAGS }, | ||
| 647 | |||
| 648 | { "sei_user_data", "Insert SEI user data (UUID+string)", | ||
| 649 | OFFSET(sei_user_data), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS }, | ||
| 650 | |||
| 651 | { "delete_filler", "Delete all filler (both NAL and SEI)", | ||
| 652 | OFFSET(delete_filler), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS}, | ||
| 653 | |||
| 654 | BSF_ELEMENT_OPTIONS_PIRE("display_orientation", | ||
| 655 | "Display orientation SEI", | ||
| 656 | display_orientation, FLAGS), | ||
| 657 | |||
| 658 | { "rotate", "Set rotation in display orientation SEI (anticlockwise angle in degrees)", | ||
| 659 | OFFSET(rotate), AV_OPT_TYPE_DOUBLE, | ||
| 660 | { .dbl = NAN }, -360.0, +360.0, FLAGS }, | ||
| 661 | { "flip", "Set flip in display orientation SEI", | ||
| 662 | OFFSET(flip), AV_OPT_TYPE_FLAGS, | ||
| 663 | { .i64 = 0 }, 0, FLIP_HORIZONTAL | FLIP_VERTICAL, FLAGS, "flip" }, | ||
| 664 | { "horizontal", "Set hor_flip", | ||
| 665 | 0, AV_OPT_TYPE_CONST, | ||
| 666 | { .i64 = FLIP_HORIZONTAL }, .flags = FLAGS, .unit = "flip" }, | ||
| 667 | { "vertical", "Set ver_flip", | ||
| 668 | 0, AV_OPT_TYPE_CONST, | ||
| 669 | { .i64 = FLIP_VERTICAL }, .flags = FLAGS, .unit = "flip" }, | ||
| 670 | |||
| 671 | { "level", "Set level (table A-1)", | ||
| 672 | OFFSET(level), AV_OPT_TYPE_INT, | ||
| 673 | { .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, "level" }, | ||
| 674 | { "auto", "Attempt to guess level from stream properties", | ||
| 675 | 0, AV_OPT_TYPE_CONST, | ||
| 676 | { .i64 = LEVEL_AUTO }, .flags = FLAGS, .unit = "level" }, | ||
| 677 | #define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \ | ||
| 678 | { .i64 = value }, .flags = FLAGS, .unit = "level" | ||
| 679 | { LEVEL("1", 10) }, | ||
| 680 | { LEVEL("1b", 9) }, | ||
| 681 | { LEVEL("1.1", 11) }, | ||
| 682 | { LEVEL("1.2", 12) }, | ||
| 683 | { LEVEL("1.3", 13) }, | ||
| 684 | { LEVEL("2", 20) }, | ||
| 685 | { LEVEL("2.1", 21) }, | ||
| 686 | { LEVEL("2.2", 22) }, | ||
| 687 | { LEVEL("3", 30) }, | ||
| 688 | { LEVEL("3.1", 31) }, | ||
| 689 | { LEVEL("3.2", 32) }, | ||
| 690 | { LEVEL("4", 40) }, | ||
| 691 | { LEVEL("4.1", 41) }, | ||
| 692 | { LEVEL("4.2", 42) }, | ||
| 693 | { LEVEL("5", 50) }, | ||
| 694 | { LEVEL("5.1", 51) }, | ||
| 695 | { LEVEL("5.2", 52) }, | ||
| 696 | { LEVEL("6", 60) }, | ||
| 697 | { LEVEL("6.1", 61) }, | ||
| 698 | { LEVEL("6.2", 62) }, | ||
| 699 | #undef LEVEL | ||
| 700 | |||
| 701 | { NULL } | ||
| 702 | }; | ||
| 703 | |||
| 704 | static const AVClass h264_metadata_class = { | ||
| 705 | .class_name = "h264_metadata_bsf", | ||
| 706 | .item_name = av_default_item_name, | ||
| 707 | .option = h264_metadata_options, | ||
| 708 | .version = LIBAVUTIL_VERSION_INT, | ||
| 709 | }; | ||
| 710 | |||
| 711 | static const enum AVCodecID h264_metadata_codec_ids[] = { | ||
| 712 | AV_CODEC_ID_H264, AV_CODEC_ID_NONE, | ||
| 713 | }; | ||
| 714 | |||
| 715 | const FFBitStreamFilter ff_h264_metadata_bsf = { | ||
| 716 | .p.name = "h264_metadata", | ||
| 717 | .p.codec_ids = h264_metadata_codec_ids, | ||
| 718 | .p.priv_class = &h264_metadata_class, | ||
| 719 | .priv_data_size = sizeof(H264MetadataContext), | ||
| 720 | .init = &h264_metadata_init, | ||
| 721 | .close = &ff_cbs_bsf_generic_close, | ||
| 722 | .filter = &ff_cbs_bsf_generic_filter, | ||
| 723 | }; | ||
| 724 |