Make a new template file for common SEI messages - this will also apply to H.266.pull/371/head
Mark Thompson
4 years ago
parent
df4e2b923c
commit
4bf3384800
10 changed files with 250 additions and 304 deletions
@ -0,0 +1,60 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_CBS_SEI_H |
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#define AVCODEC_CBS_SEI_H |
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#include <stddef.h> |
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#include <stdint.h> |
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#include "libavutil/buffer.h" |
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typedef struct SEIRawUserDataRegistered { |
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uint8_t itu_t_t35_country_code; |
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uint8_t itu_t_t35_country_code_extension_byte; |
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uint8_t *data; |
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AVBufferRef *data_ref; |
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size_t data_length; |
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} SEIRawUserDataRegistered; |
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typedef struct SEIRawUserDataUnregistered { |
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uint8_t uuid_iso_iec_11578[16]; |
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uint8_t *data; |
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AVBufferRef *data_ref; |
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size_t data_length; |
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} SEIRawUserDataUnregistered; |
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typedef struct SEIRawMasteringDisplayColourVolume { |
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uint16_t display_primaries_x[3]; |
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uint16_t display_primaries_y[3]; |
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uint16_t white_point_x; |
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uint16_t white_point_y; |
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uint32_t max_display_mastering_luminance; |
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uint32_t min_display_mastering_luminance; |
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} SEIRawMasteringDisplayColourVolume; |
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typedef struct SEIRawContentLightLevelInfo { |
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uint16_t max_content_light_level; |
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uint16_t max_pic_average_light_level; |
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} SEIRawContentLightLevelInfo; |
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typedef struct SEIRawAlternativeTransferCharacteristics { |
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uint8_t preferred_transfer_characteristics; |
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} SEIRawAlternativeTransferCharacteristics; |
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#endif /* AVCODEC_CBS_SEI_H */ |
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@ -0,0 +1,132 @@ |
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/*
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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static int FUNC(sei_user_data_registered) |
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(CodedBitstreamContext *ctx, RWContext *rw, |
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SEIRawUserDataRegistered *current, uint32_t *payload_size) |
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{ |
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int err, i, j; |
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HEADER("User Data Registered ITU-T T.35"); |
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u(8, itu_t_t35_country_code, 0x00, 0xff); |
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if (current->itu_t_t35_country_code != 0xff) |
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i = 1; |
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else { |
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u(8, itu_t_t35_country_code_extension_byte, 0x00, 0xff); |
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i = 2; |
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} |
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#ifdef READ |
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if (*payload_size < i) { |
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av_log(ctx->log_ctx, AV_LOG_ERROR, |
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"Invalid SEI user data registered payload.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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current->data_length = *payload_size - i; |
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#else |
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*payload_size = i + current->data_length; |
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#endif |
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allocate(current->data, current->data_length); |
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for (j = 0; j < current->data_length; j++) |
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xu(8, itu_t_t35_payload_byte[], current->data[j], 0x00, 0xff, 1, i + j); |
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return 0; |
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} |
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static int FUNC(sei_user_data_unregistered) |
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(CodedBitstreamContext *ctx, RWContext *rw, |
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SEIRawUserDataUnregistered *current, uint32_t *payload_size) |
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{ |
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int err, i; |
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HEADER("User Data Unregistered"); |
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#ifdef READ |
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if (*payload_size < 16) { |
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av_log(ctx->log_ctx, AV_LOG_ERROR, |
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"Invalid SEI user data unregistered payload.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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current->data_length = *payload_size - 16; |
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#else |
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*payload_size = 16 + current->data_length; |
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#endif |
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for (i = 0; i < 16; i++) |
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us(8, uuid_iso_iec_11578[i], 0x00, 0xff, 1, i); |
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allocate(current->data, current->data_length); |
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for (i = 0; i < current->data_length; i++) |
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xu(8, user_data_payload_byte[i], current->data[i], 0x00, 0xff, 1, i); |
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return 0; |
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} |
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static int FUNC(sei_mastering_display_colour_volume) |
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(CodedBitstreamContext *ctx, RWContext *rw, |
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SEIRawMasteringDisplayColourVolume *current) |
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{ |
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int err, c; |
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HEADER("Mastering Display Colour Volume"); |
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for (c = 0; c < 3; c++) { |
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us(16, display_primaries_x[c], 0, 50000, 1, c); |
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us(16, display_primaries_y[c], 0, 50000, 1, c); |
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} |
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u(16, white_point_x, 0, 50000); |
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u(16, white_point_y, 0, 50000); |
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u(32, max_display_mastering_luminance, |
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1, MAX_UINT_BITS(32)); |
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u(32, min_display_mastering_luminance, |
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0, current->max_display_mastering_luminance - 1); |
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return 0; |
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} |
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static int FUNC(sei_content_light_level) |
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(CodedBitstreamContext *ctx, RWContext *rw, |
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SEIRawContentLightLevelInfo *current) |
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{ |
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int err; |
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HEADER("Content Light Level"); |
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ub(16, max_content_light_level); |
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ub(16, max_pic_average_light_level); |
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return 0; |
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} |
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static int FUNC(sei_alternative_transfer_characteristics) |
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(CodedBitstreamContext *ctx, RWContext *rw, |
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SEIRawAlternativeTransferCharacteristics *current) |
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{ |
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int err; |
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HEADER("Alternative Transfer Characteristics"); |
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ub(8, preferred_transfer_characteristics); |
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return 0; |
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} |
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