diff --git a/mpeg/psi/desc_0e.h b/mpeg/psi/desc_0e.h new file mode 100644 index 0000000..6a59d21 --- /dev/null +++ b/mpeg/psi/desc_0e.h @@ -0,0 +1,90 @@ +/***************************************************************************** + * desc_0e.h: ISO/IEC 13818-1 Descriptor 0x0e (Maximum bitrate 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_0E_H__ +#define __BITSTREAM_MPEG_DESC_0E_H__ + +#include +#include + +#ifdef __cplusplus +extern "C" +{ +#endif + +/***************************************************************************** + * Descriptor 0x0e: Maximum bitrate descriptor + *****************************************************************************/ +#define DESC0E_HEADER_SIZE (DESC_HEADER_SIZE + 3) + +static inline void desc0e_init(uint8_t *p_desc) +{ + desc_set_tag(p_desc, 0x0E); + desc_set_length(p_desc, DESC0E_HEADER_SIZE - DESC_HEADER_SIZE); +} + +static inline uint32_t desc0e_get_max_bitrate(const uint8_t *p_desc) +{ + return ((p_desc[2] &~ 0xc0) << 16) | (p_desc[3] << 8) | p_desc[4]; // 11xxxxxx xxxxxxxx xxxxxxxx +} + +static inline void desc0e_set_max_bitrate(uint8_t *p_desc, uint32_t max_bitrate) +{ + p_desc[2] = ((max_bitrate >> 16) & 0xff) | 0xc0; + p_desc[3] = (max_bitrate >> 8) & 0xff; + p_desc[4] = max_bitrate & 0xff; +} + +static inline bool desc0e_validate(const uint8_t *p_desc) +{ + return desc_get_length(p_desc) >= DESC0E_HEADER_SIZE - DESC_HEADER_SIZE; +} + +static inline void desc0e_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, "", + desc0e_get_max_bitrate(p_desc), desc0e_get_max_bitrate(p_desc) * 50); + break; + default: + pf_print(opaque, " - desc 0e maximum_bitrate max_bitrate=%u max_bitrate_decoded=%u", + desc0e_get_max_bitrate(p_desc), desc0e_get_max_bitrate(p_desc) * 50); + } +} + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/mpeg/psi/descs_list.h b/mpeg/psi/descs_list.h index 53dc7bd..bb83103 100644 --- a/mpeg/psi/descs_list.h +++ b/mpeg/psi/descs_list.h @@ -46,5 +46,6 @@ #include #include #include +#include #endif diff --git a/mpeg/psi/descs_print.h b/mpeg/psi/descs_print.h index a3914f3..1c9509b 100644 --- a/mpeg/psi/descs_print.h +++ b/mpeg/psi/descs_print.h @@ -112,6 +112,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length, CASE_DESC(0b) CASE_DESC(0c) CASE_DESC(0d) + CASE_DESC(0e) CASE_DESC_ICONV(40) CASE_DESC(41) CASE_DESC(43)