/***************************************************************************** * desc_2c.h: ISO/IEC 13818-1 Descriptor 0x2c (FlexMuxTiming 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_2C_H__ #define __BITSTREAM_MPEG_DESC_2C_H__ #include #include #ifdef __cplusplus extern "C" { #endif /***************************************************************************** * Descriptor 0x2c (FlexMuxTiming descriptor) *****************************************************************************/ #define DESC2C_HEADER_SIZE (DESC_HEADER_SIZE + 8) static inline void desc2c_init(uint8_t *p_desc) { desc_set_tag(p_desc, 0x2c); desc_set_length(p_desc, DESC2C_HEADER_SIZE - DESC_HEADER_SIZE); } static inline bool desc2c_validate(const uint8_t *p_desc) { return desc_get_length(p_desc) >= DESC2C_HEADER_SIZE - DESC_HEADER_SIZE; } static inline uint16_t desc2c_get_fcr_es_id(const uint8_t *p_desc) { return (p_desc[2] << 8) | p_desc[3]; } static inline void desc2c_set_fcr_es_id(uint8_t *p_desc, uint16_t i_fcr_es_id) { p_desc[2] = (i_fcr_es_id >> 8) & 0xff; p_desc[3] = i_fcr_es_id & 0xff; } static inline uint32_t desc2c_get_fcr_resolution(const uint8_t *p_desc) { return (p_desc[4] << 24) | (p_desc[5] << 16) | (p_desc[6] << 8) | p_desc[7]; } static inline void desc2c_set_fcr_resolution(uint8_t *p_desc, uint32_t i_fcr_resolution) { p_desc[4] = (i_fcr_resolution >> 24) & 0xff; p_desc[5] = (i_fcr_resolution >> 16) & 0xff; p_desc[6] = (i_fcr_resolution >> 8) & 0xff; p_desc[7] = i_fcr_resolution & 0xff; } static inline uint8_t desc2c_get_fcr_length(const uint8_t *p_desc) { return p_desc[8]; } static inline void desc2c_set_fcr_length(uint8_t *p_desc, uint8_t i_fcr_length) { p_desc[8] = i_fcr_length; } static inline uint8_t desc2c_get_fmx_rate_length(const uint8_t *p_desc) { return p_desc[9]; } static inline void desc2c_set_fmx_rate_length(uint8_t *p_desc, uint8_t i_fmx_rate_length) { p_desc[9] = i_fmx_rate_length; } static inline void desc2c_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, "", desc2c_get_fcr_es_id(p_desc), desc2c_get_fcr_resolution(p_desc), desc2c_get_fcr_length(p_desc), desc2c_get_fmx_rate_length(p_desc) ); break; default: pf_print(opaque," - desc 2c flexmux_timing fcr_es_id=0x%04x" " fcr_resolution=%u fcr_length=%u fmx_rate_length=%u", desc2c_get_fcr_es_id(p_desc), desc2c_get_fcr_resolution(p_desc), desc2c_get_fcr_length(p_desc), desc2c_get_fmx_rate_length(p_desc) ); } } #ifdef __cplusplus } #endif #endif