| /* |
| * 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 "libavutil/avstring.h" |
| #include "libavutil/display.h" |
| #include "libavutil/common.h" |
| #include "libavutil/opt.h" |
| |
| #include "bsf.h" |
| #include "bsf_internal.h" |
| #include "cbs.h" |
| #include "cbs_h264.h" |
| #include "h264.h" |
| #include "h264_levels.h" |
| #include "h264_sei.h" |
| |
| enum { |
| PASS, |
| INSERT, |
| REMOVE, |
| EXTRACT, |
| }; |
| |
| enum { |
| FLIP_HORIZONTAL = 1, |
| FLIP_VERTICAL = 2, |
| }; |
| |
| enum { |
| LEVEL_UNSET = -2, |
| LEVEL_AUTO = -1, |
| }; |
| |
| typedef struct H264MetadataContext { |
| const AVClass *class; |
| |
| CodedBitstreamContext *input; |
| CodedBitstreamContext *output; |
| CodedBitstreamFragment access_unit; |
| |
| int done_first_au; |
| |
| int aud; |
| |
| AVRational sample_aspect_ratio; |
| |
| int overscan_appropriate_flag; |
| |
| int video_format; |
| int video_full_range_flag; |
| int colour_primaries; |
| int transfer_characteristics; |
| int matrix_coefficients; |
| |
| int chroma_sample_loc_type; |
| |
| AVRational tick_rate; |
| int fixed_frame_rate_flag; |
| |
| int crop_left; |
| int crop_right; |
| int crop_top; |
| int crop_bottom; |
| |
| const char *sei_user_data; |
| |
| int delete_filler; |
| |
| int display_orientation; |
| double rotate; |
| int flip; |
| |
| int level; |
| } H264MetadataContext; |
| |
| |
| static int h264_metadata_update_sps(AVBSFContext *bsf, |
| H264RawSPS *sps) |
| { |
| H264MetadataContext *ctx = bsf->priv_data; |
| int need_vui = 0; |
| int crop_unit_x, crop_unit_y; |
| |
| if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) { |
| // Table E-1. |
| static const AVRational sar_idc[] = { |
| { 0, 0 }, // Unspecified (never written here). |
| { 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 num, den, i; |
| |
| av_reduce(&num, &den, ctx->sample_aspect_ratio.num, |
| ctx->sample_aspect_ratio.den, 65535); |
| |
| for (i = 1; i < FF_ARRAY_ELEMS(sar_idc); i++) { |
| if (num == sar_idc[i].num && |
| den == sar_idc[i].den) |
| break; |
| } |
| if (i == FF_ARRAY_ELEMS(sar_idc)) { |
| sps->vui.aspect_ratio_idc = 255; |
| sps->vui.sar_width = num; |
| sps->vui.sar_height = den; |
| } else { |
| sps->vui.aspect_ratio_idc = i; |
| } |
| sps->vui.aspect_ratio_info_present_flag = 1; |
| need_vui = 1; |
| } |
| |
| #define SET_VUI_FIELD(field) do { \ |
| if (ctx->field >= 0) { \ |
| sps->vui.field = ctx->field; \ |
| need_vui = 1; \ |
| } \ |
| } while (0) |
| |
| if (ctx->overscan_appropriate_flag >= 0) { |
| SET_VUI_FIELD(overscan_appropriate_flag); |
| sps->vui.overscan_info_present_flag = 1; |
| } |
| |
| if (ctx->video_format >= 0 || |
| ctx->video_full_range_flag >= 0 || |
| ctx->colour_primaries >= 0 || |
| ctx->transfer_characteristics >= 0 || |
| ctx->matrix_coefficients >= 0) { |
| |
| SET_VUI_FIELD(video_format); |
| |
| SET_VUI_FIELD(video_full_range_flag); |
| |
| if (ctx->colour_primaries >= 0 || |
| ctx->transfer_characteristics >= 0 || |
| ctx->matrix_coefficients >= 0) { |
| |
| SET_VUI_FIELD(colour_primaries); |
| SET_VUI_FIELD(transfer_characteristics); |
| SET_VUI_FIELD(matrix_coefficients); |
| |
| sps->vui.colour_description_present_flag = 1; |
| } |
| sps->vui.video_signal_type_present_flag = 1; |
| } |
| |
| if (ctx->chroma_sample_loc_type >= 0) { |
| sps->vui.chroma_sample_loc_type_top_field = |
| ctx->chroma_sample_loc_type; |
| sps->vui.chroma_sample_loc_type_bottom_field = |
| ctx->chroma_sample_loc_type; |
| sps->vui.chroma_loc_info_present_flag = 1; |
| need_vui = 1; |
| } |
| |
| if (ctx->tick_rate.num && ctx->tick_rate.den) { |
| int num, den; |
| |
| av_reduce(&num, &den, ctx->tick_rate.num, ctx->tick_rate.den, |
| UINT32_MAX > INT_MAX ? UINT32_MAX : INT_MAX); |
| |
| sps->vui.time_scale = num; |
| sps->vui.num_units_in_tick = den; |
| |
| sps->vui.timing_info_present_flag = 1; |
| need_vui = 1; |
| } |
| SET_VUI_FIELD(fixed_frame_rate_flag); |
| |
| if (sps->separate_colour_plane_flag || sps->chroma_format_idc == 0) { |
| crop_unit_x = 1; |
| crop_unit_y = 2 - sps->frame_mbs_only_flag; |
| } else { |
| crop_unit_x = 1 + (sps->chroma_format_idc < 3); |
| crop_unit_y = (1 + (sps->chroma_format_idc < 2)) * |
| (2 - sps->frame_mbs_only_flag); |
| } |
| #define CROP(border, unit) do { \ |
| if (ctx->crop_ ## border >= 0) { \ |
| if (ctx->crop_ ## border % unit != 0) { \ |
| av_log(bsf, AV_LOG_ERROR, "Invalid value for crop_%s: " \ |
| "must be a multiple of %d.\n", #border, unit); \ |
| return AVERROR(EINVAL); \ |
| } \ |
| sps->frame_crop_ ## border ## _offset = \ |
| ctx->crop_ ## border / unit; \ |
| sps->frame_cropping_flag = 1; \ |
| } \ |
| } while (0) |
| CROP(left, crop_unit_x); |
| CROP(right, crop_unit_x); |
| CROP(top, crop_unit_y); |
| CROP(bottom, crop_unit_y); |
| #undef CROP |
| |
| if (ctx->level != LEVEL_UNSET) { |
| int level_idc; |
| |
| if (ctx->level == LEVEL_AUTO) { |
| const H264LevelDescriptor *desc; |
| int64_t bit_rate; |
| int width, height, dpb_frames; |
| int framerate; |
| |
| if (sps->vui.nal_hrd_parameters_present_flag) { |
| bit_rate = (sps->vui.nal_hrd_parameters.bit_rate_value_minus1[0] + 1) * |
| (INT64_C(1) << (sps->vui.nal_hrd_parameters.bit_rate_scale + 6)); |
| } else if (sps->vui.vcl_hrd_parameters_present_flag) { |
| bit_rate = (sps->vui.vcl_hrd_parameters.bit_rate_value_minus1[0] + 1) * |
| (INT64_C(1) << (sps->vui.vcl_hrd_parameters.bit_rate_scale + 6)); |
| // Adjust for VCL vs. NAL limits. |
| bit_rate = bit_rate * 6 / 5; |
| } else { |
| bit_rate = 0; |
| } |
| |
| // Don't use max_dec_frame_buffering if it is only inferred. |
| dpb_frames = sps->vui.bitstream_restriction_flag ? |
| sps->vui.max_dec_frame_buffering : H264_MAX_DPB_FRAMES; |
| |
| width = 16 * (sps->pic_width_in_mbs_minus1 + 1); |
| height = 16 * (sps->pic_height_in_map_units_minus1 + 1) * |
| (2 - sps->frame_mbs_only_flag); |
| |
| if (sps->vui.timing_info_present_flag) |
| framerate = sps->vui.time_scale / sps->vui.num_units_in_tick / 2; |
| else |
| framerate = 0; |
| |
| desc = ff_h264_guess_level(sps->profile_idc, bit_rate, framerate, |
| width, height, dpb_frames); |
| if (desc) { |
| level_idc = desc->level_idc; |
| } else { |
| av_log(bsf, AV_LOG_WARNING, "Stream does not appear to " |
| "conform to any level: using level 6.2.\n"); |
| level_idc = 62; |
| } |
| } else { |
| level_idc = ctx->level; |
| } |
| |
| if (level_idc == 9) { |
| if (sps->profile_idc == 66 || |
| sps->profile_idc == 77 || |
| sps->profile_idc == 88) { |
| sps->level_idc = 11; |
| sps->constraint_set3_flag = 1; |
| } else { |
| sps->level_idc = 9; |
| } |
| } else { |
| sps->level_idc = level_idc; |
| } |
| } |
| |
| if (need_vui) |
| sps->vui_parameters_present_flag = 1; |
| |
| return 0; |
| } |
| |
| static int h264_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt) |
| { |
| H264MetadataContext *ctx = bsf->priv_data; |
| CodedBitstreamFragment *au = &ctx->access_unit; |
| uint8_t *side_data; |
| int side_data_size; |
| int err, i; |
| |
| side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, |
| &side_data_size); |
| if (!side_data_size) |
| return 0; |
| |
| err = ff_cbs_read(ctx->input, au, side_data, side_data_size); |
| if (err < 0) { |
| av_log(bsf, AV_LOG_ERROR, "Failed to read extradata from packet side data.\n"); |
| return err; |
| } |
| |
| 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) |
| return err; |
| } |
| } |
| |
| err = ff_cbs_write_fragment_data(ctx->output, au); |
| if (err < 0) { |
| av_log(bsf, AV_LOG_ERROR, "Failed to write extradata into packet side data.\n"); |
| return err; |
| } |
| |
| side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, au->data_size); |
| if (!side_data) |
| return AVERROR(ENOMEM); |
| memcpy(side_data, au->data, au->data_size); |
| |
| ff_cbs_fragment_reset(au); |
| |
| return 0; |
| } |
| |
| static int h264_metadata_filter(AVBSFContext *bsf, AVPacket *pkt) |
| { |
| H264MetadataContext *ctx = bsf->priv_data; |
| CodedBitstreamFragment *au = &ctx->access_unit; |
| int err, i, j, has_sps; |
| H264RawAUD aud; |
| |
| err = ff_bsf_get_packet_ref(bsf, pkt); |
| if (err < 0) |
| return err; |
| |
| err = h264_metadata_update_side_data(bsf, pkt); |
| if (err < 0) |
| goto fail; |
| |
| err = ff_cbs_read_packet(ctx->input, au, pkt); |
| if (err < 0) { |
| av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n"); |
| goto fail; |
| } |
| |
| if (au->nb_units == 0) { |
| av_log(bsf, AV_LOG_ERROR, "No NAL units in packet.\n"); |
| err = AVERROR_INVALIDDATA; |
| goto fail; |
| } |
| |
| // If an AUD is present, it must be the first NAL unit. |
| if (au->units[0].type == H264_NAL_AUD) { |
| if (ctx->aud == REMOVE) |
| ff_cbs_delete_unit(au, 0); |
| } else { |
| if (ctx->aud == INSERT) { |
| static const int primary_pic_type_table[] = { |
| 0x084, // 2, 7 |
| 0x0a5, // 0, 2, 5, 7 |
| 0x0e7, // 0, 1, 2, 5, 6, 7 |
| 0x210, // 4, 9 |
| 0x318, // 3, 4, 8, 9 |
| 0x294, // 2, 4, 7, 9 |
| 0x3bd, // 0, 2, 3, 4, 5, 7, 8, 9 |
| 0x3ff, // 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 |
| }; |
| int primary_pic_type_mask = 0xff; |
| |
| for (i = 0; i < au->nb_units; i++) { |
| if (au->units[i].type == H264_NAL_SLICE || |
| au->units[i].type == H264_NAL_IDR_SLICE) { |
| H264RawSlice *slice = au->units[i].content; |
| for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++) { |
| if (!(primary_pic_type_table[j] & |
| (1 << slice->header.slice_type))) |
| primary_pic_type_mask &= ~(1 << j); |
| } |
| } |
| } |
| for (j = 0; j < FF_ARRAY_ELEMS(primary_pic_type_table); j++) |
| if (primary_pic_type_mask & (1 << j)) |
| break; |
| if (j >= FF_ARRAY_ELEMS(primary_pic_type_table)) { |
| av_log(bsf, AV_LOG_ERROR, "No usable primary_pic_type: " |
| "invalid slice types?\n"); |
| err = AVERROR_INVALIDDATA; |
| goto fail; |
| } |
| |
| aud = (H264RawAUD) { |
| .nal_unit_header.nal_unit_type = H264_NAL_AUD, |
| .primary_pic_type = j, |
| }; |
| |
| err = ff_cbs_insert_unit_content(au, |
| 0, H264_NAL_AUD, &aud, NULL); |
| if (err < 0) { |
| av_log(bsf, AV_LOG_ERROR, "Failed to insert AUD.\n"); |
| goto fail; |
| } |
| } |
| } |
| |
| has_sps = 0; |
| 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; |
| has_sps = 1; |
| } |
| } |
| |
| // Only insert the SEI in access units containing SPSs, and also |
| // unconditionally in the first access unit we ever see. |
| 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(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(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(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(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_free(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(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->output, 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(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->input, AV_CODEC_ID_H264, bsf); |
| if (err < 0) |
| return err; |
| err = ff_cbs_init(&ctx->output, AV_CODEC_ID_H264, bsf); |
| if (err < 0) |
| return err; |
| |
| if (bsf->par_in->extradata) { |
| err = ff_cbs_read_extradata(ctx->input, 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->output, 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(au); |
| return err; |
| } |
| |
| static void h264_metadata_close(AVBSFContext *bsf) |
| { |
| H264MetadataContext *ctx = bsf->priv_data; |
| |
| ff_cbs_fragment_free(&ctx->access_unit); |
| ff_cbs_close(&ctx->input); |
| ff_cbs_close(&ctx->output); |
| } |
| |
| #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, |
| }; |
