/***************************************************************************** * desc_28.h: ISO/IEC 13818-1 Descriptor 0x28 (AVC video descriptor) ***************************************************************************** * Copyright (C) 2011 Unix Solutions Ltd. * * Authors: Georgi Chorbadzhiyski * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject * to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *****************************************************************************/ /* * Normative references: * - ISO/IEC 13818-1:2007(E) (MPEG-2 Systems) */ #ifndef __BITSTREAM_MPEG_DESC_28_H__ #define __BITSTREAM_MPEG_DESC_28_H__ #include #include #ifdef __cplusplus extern "C" { #endif /***************************************************************************** * Descriptor 0x28 (AVC video descriptor) *****************************************************************************/ #define DESC28_HEADER_SIZE (DESC_HEADER_SIZE + 4) static inline void desc28_init(uint8_t *p_desc) { desc_set_tag(p_desc, 0x28); desc_set_length(p_desc, DESC28_HEADER_SIZE - DESC_HEADER_SIZE); p_desc[5] = 0x3f; } static inline bool desc28_validate(const uint8_t *p_desc) { return desc_get_length(p_desc) >= DESC28_HEADER_SIZE - DESC_HEADER_SIZE; } static inline uint8_t desc28_get_profile_idc(const uint8_t *p_desc) { return p_desc[2]; } static inline void desc28_set_profile_idc(uint8_t *p_desc, uint8_t i_profile_idc) { p_desc[2] = i_profile_idc; } static inline bool desc28_get_constraint_set0_flag(const uint8_t *p_desc) { return (p_desc[3] & 0x80) == 0x80; } static inline void desc28_set_constraint_set0_flag(uint8_t *p_desc, bool b_constraint_set0_flag) { p_desc[3] = b_constraint_set0_flag ? (p_desc[3] | 0x80) : (p_desc[3] &~ 0x80); } static inline bool desc28_get_constraint_set1_flag(const uint8_t *p_desc) { return (p_desc[3] & 0x40) == 0x40; } static inline void desc28_set_constraint_set1_flag(uint8_t *p_desc, bool b_constraint_set1_flag) { p_desc[3] = b_constraint_set1_flag ? (p_desc[3] | 0x40) : (p_desc[3] &~ 0x40); } static inline bool desc28_get_constraint_set2_flag(const uint8_t *p_desc) { return (p_desc[3] & 0x20) == 0x20; } static inline void desc28_set_constraint_set2_flag(uint8_t *p_desc, bool b_constraint_set2_flag) { p_desc[3] = b_constraint_set2_flag ? (p_desc[3] | 0x20) : (p_desc[3] &~ 0x20); } static inline uint8_t desc28_get_avc_compatible_flags(const uint8_t *p_desc) { return p_desc[3] & 0x1f; } static inline void desc28_set_avc_compatible_flags(uint8_t *p_desc, uint8_t i_avc_compatible_flags) { p_desc[3] = (p_desc[3] & 0xe0) | (i_avc_compatible_flags & 0x1f); } static inline uint8_t desc28_get_level_idc(const uint8_t *p_desc) { return p_desc[4]; } static inline void desc28_set_level_idc(uint8_t *p_desc, uint8_t i_level_idc) { p_desc[4] = i_level_idc; } static inline bool desc28_get_avc_still_present(const uint8_t *p_desc) { return (p_desc[5] & 0x80) == 0x80; } static inline void desc28_set_avc_still_present(uint8_t *p_desc, bool b_avc_still_present) { p_desc[5] = b_avc_still_present ? (p_desc[5] | 0x80) : (p_desc[5] &~ 0x80); } static inline bool desc28_get_avc_24_hour_picture_flag(const uint8_t *p_desc) { return (p_desc[5] & 0x40) == 0x40; } static inline void desc28_set_avc_24_hour_picture_flag(uint8_t *p_desc, bool b_avc_24_hour_picture_flag) { p_desc[5] = b_avc_24_hour_picture_flag ? (p_desc[5] | 0x40) : (p_desc[5] &~ 0x40); } static inline void desc28_print(const uint8_t *p_desc, f_print pf_print, void *opaque, print_type_t i_print_type) { switch (i_print_type) { case PRINT_XML: pf_print(opaque, "", desc28_get_profile_idc(p_desc), desc28_get_constraint_set0_flag(p_desc), desc28_get_constraint_set1_flag(p_desc), desc28_get_constraint_set2_flag(p_desc), desc28_get_avc_compatible_flags(p_desc), desc28_get_level_idc(p_desc), desc28_get_avc_still_present(p_desc), desc28_get_avc_24_hour_picture_flag(p_desc) ); break; default: pf_print(opaque," - desc 28 avc_video profile_idc=0x%02x constraint_set0_flag=%u" " constraint_set1_flag=%u constraint_set2_flag=%u" " AVC_compatible_flags=0x%02x level_idc=0x%02x" " AVC_still_present=%u AVC_24_hour_picture_flag=%u", desc28_get_profile_idc(p_desc), desc28_get_constraint_set0_flag(p_desc), desc28_get_constraint_set1_flag(p_desc), desc28_get_constraint_set2_flag(p_desc), desc28_get_avc_compatible_flags(p_desc), desc28_get_level_idc(p_desc), desc28_get_avc_still_present(p_desc), desc28_get_avc_24_hour_picture_flag(p_desc) ); } } #ifdef __cplusplus } #endif #endif