/***************************************************************************** * desc_1b.h: ISO/IEC 13818-1 Descriptor 0x1b (MPEG-4 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_1B_H__ #define __BITSTREAM_MPEG_DESC_1B_H__ #include #include #ifdef __cplusplus extern "C" { #endif /***************************************************************************** * Descriptor 0x1b (MPEG-4 video descriptor) *****************************************************************************/ #define DESC1B_HEADER_SIZE (DESC_HEADER_SIZE + 1) static inline void desc1b_init(uint8_t *p_desc) { desc_set_tag(p_desc, 0x1b); desc_set_length(p_desc, DESC1B_HEADER_SIZE - DESC_HEADER_SIZE); } static inline bool desc1b_validate(const uint8_t *p_desc) { return desc_get_length(p_desc) >= DESC1B_HEADER_SIZE - DESC_HEADER_SIZE; } static inline uint8_t desc1b_get_mpeg4_visual_profile_and_level(const uint8_t *p_desc) { return p_desc[2]; } static inline void desc1b_set_mpeg4_visual_profile_and_level(uint8_t *p_desc, uint8_t i_mpeg4_visual_profile_and_level) { p_desc[2] = i_mpeg4_visual_profile_and_level; } static inline void desc1b_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, "", desc1b_get_mpeg4_visual_profile_and_level(p_desc)); break; default: pf_print(opaque," - desc 1b mpeg4_video visual_profile_and_level=0x%02x", desc1b_get_mpeg4_visual_profile_and_level(p_desc)); } } #ifdef __cplusplus } #endif #endif