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avcodec/h2645_sei: use named constants for ITU-T T.35 metadata
Signed-off-by: James Almer <jamrial@gmail.com>
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@ -40,6 +40,7 @@
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#include "get_bits.h"
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#include "golomb.h"
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#include "h2645_sei.h"
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#include "itut35.h"
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#define IS_H264(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_H264 : CONFIG_H264_SEI)
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#define IS_HEVC(codec_id) (CONFIG_H264_SEI && CONFIG_HEVC_SEI ? codec_id == AV_CODEC_ID_HEVC : CONFIG_HEVC_SEI)
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@ -140,7 +141,8 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
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bytestream2_skipu(gb, 1); // itu_t_t35_country_code_extension_byte
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}
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if (country_code != 0xB5 && country_code != 0x26) { // usa_country_code and cn_country_code
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if (country_code != ITU_T_T35_COUNTRY_CODE_US &&
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country_code != ITU_T_T35_COUNTRY_CODE_CN) {
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av_log(logctx, AV_LOG_VERBOSE,
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"Unsupported User Data Registered ITU-T T35 SEI message (country_code = %d)\n",
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country_code);
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@ -151,7 +153,7 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
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provider_code = bytestream2_get_be16u(gb);
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switch (provider_code) {
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case 0x31: { // atsc_provider_code
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case ITU_T_T35_PROVIDER_CODE_ATSC: {
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uint32_t user_identifier;
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if (bytestream2_get_bytes_left(gb) < 4)
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@ -172,7 +174,7 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
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break;
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}
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#if CONFIG_HEVC_SEI
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case 0x04: { // cuva_provider_code
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case ITU_T_T35_PROVIDER_CODE_CUVA: {
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const uint16_t cuva_provider_oriented_code = 0x0005;
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uint16_t provider_oriented_code;
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@ -188,7 +190,7 @@ static int decode_registered_user_data(H2645SEI *h, GetByteContext *gb,
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}
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break;
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}
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case 0x3C: { // smpte_provider_code
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case ITU_T_T35_PROVIDER_CODE_SMTPE: {
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// A/341 Amendment - 2094-40
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const uint16_t smpte2094_40_provider_oriented_code = 0x0001;
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const uint8_t smpte2094_40_application_identifier = 0x04;
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@ -19,9 +19,11 @@
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#ifndef AVCODEC_ITUT35_H
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#define AVCODEC_ITUT35_H
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#define ITU_T_T35_COUNTRY_CODE_CN 0x26
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#define ITU_T_T35_COUNTRY_CODE_US 0xB5
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#define ITU_T_T35_PROVIDER_CODE_ATSC 0x31
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#define ITU_T_T35_PROVIDER_CODE_CUVA 0x04
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#define ITU_T_T35_PROVIDER_CODE_DOLBY 0x3B
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#define ITU_T_T35_PROVIDER_CODE_SMTPE 0x3C
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