Georgi Chorbadzhiyski
14 years ago
8 changed files with 143 additions and 6 deletions
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+1 -0README
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+0 -1TODO
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+128 -0dvb/si/desc_63.h
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+1 -0dvb/si/descs_list.h
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+9 -2examples/dvb_gen_si.c
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+1 -1examples/dvb_print_si.output.txt
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+2 -2examples/dvb_print_si.output.xml
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+1 -0mpeg/psi/descs_print.h
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README
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TODO
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dvb/si/desc_63.h
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| @ -0,0 +1,128 @@ | |||
| /***************************************************************************** | |||
| * desc_63.h: ETSI EN 300 468 Descriptor 0x63: Partial Transport Stream | |||
| ***************************************************************************** | |||
| * Copyright (C) 2011 Unix Solutions Ltd. | |||
| * | |||
| * Authors: Georgi Chorbadzhiyski <georgi@unixsol.org> | |||
| * | |||
| * 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: | |||
| * - ETSI EN 300 468 V1.11.1 (2010-04) (SI in DVB systems) | |||
| */ | |||
| #ifndef __BITSTREAM_DVB_DESC_63_H__ | |||
| #define __BITSTREAM_DVB_DESC_63_H__ | |||
| #include <bitstream/common.h> | |||
| #include <bitstream/mpeg/psi/descriptors.h> | |||
| #ifdef __cplusplus | |||
| extern "C" | |||
| { | |||
| #endif | |||
| /***************************************************************************** | |||
| * Descriptor 0x63: Partial Transport Stream | |||
| *****************************************************************************/ | |||
| #define DESC63_HEADER_SIZE (DESC_HEADER_SIZE + 8) | |||
| static inline void desc63_init(uint8_t *p_desc) | |||
| { | |||
| desc_set_tag(p_desc, 0x63); | |||
| desc_set_length(p_desc, DESC63_HEADER_SIZE - DESC_HEADER_SIZE); | |||
| p_desc[2] = 0xc0; | |||
| p_desc[5] = 0xc0; | |||
| p_desc[8] = 0xc0; | |||
| } | |||
| static inline uint32_t desc63_get_peak_rate(const uint8_t *p_desc) | |||
| { | |||
| return ((p_desc[2] & 0x3f) << 16) | (p_desc[3] << 8) | p_desc[4]; | |||
| } | |||
| static inline void desc63_set_peak_rate(uint8_t *p_desc, uint32_t i_peak_rate) | |||
| { | |||
| p_desc[2] = ((i_peak_rate >> 16) & 0xff) | 0xc0; | |||
| p_desc[3] = (i_peak_rate >> 8) & 0xff; | |||
| p_desc[4] = i_peak_rate & 0xff; | |||
| } | |||
| static inline uint32_t desc63_get_min_overall_smoothing_rate(const uint8_t *p_desc) | |||
| { | |||
| return ((p_desc[5] & 0x3f) << 16) | (p_desc[6] << 8) | p_desc[7]; | |||
| } | |||
| static inline void desc63_set_min_overall_smoothing_rate(uint8_t *p_desc, uint32_t i_min_overall_smoothing_rate) | |||
| { | |||
| p_desc[5] = ((i_min_overall_smoothing_rate >> 16) & 0xff) | 0xc0; | |||
| p_desc[6] = (i_min_overall_smoothing_rate >> 8) & 0xff; | |||
| p_desc[7] = i_min_overall_smoothing_rate & 0xff; | |||
| } | |||
| static inline uint32_t desc63_get_max_overall_smoothing_buffer(const uint8_t *p_desc) | |||
| { | |||
| return ((p_desc[8] & 0x3f) << 8) | p_desc[9]; | |||
| } | |||
| static inline void desc63_set_max_overall_smoothing_buffer(uint8_t *p_desc, uint32_t i_max_overall_smoothing_buffer) | |||
| { | |||
| p_desc[8] = ((i_max_overall_smoothing_buffer >> 8) & 0xff) | 0xc0; | |||
| p_desc[9] = i_max_overall_smoothing_buffer & 0xff; | |||
| } | |||
| static inline bool desc63_validate(const uint8_t *p_desc) | |||
| { | |||
| return desc_get_length(p_desc) >= DESC63_HEADER_SIZE - DESC_HEADER_SIZE; | |||
| } | |||
| static inline void desc63_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, | |||
| "<PARTIAL_TRANSPORT_STREAM_DESC peak_rate=\"%u\"" | |||
| " min_overall_smoothing_rate=\"%u\"" | |||
| " max_overall_smoothing_buffer=\"%u\"/>", | |||
| desc63_get_peak_rate(p_desc), | |||
| desc63_get_min_overall_smoothing_rate(p_desc), | |||
| desc63_get_max_overall_smoothing_buffer(p_desc) | |||
| ); | |||
| break; | |||
| default: | |||
| pf_print(opaque, | |||
| " - desc 63 partial_transport_stream peak_rate=%u" | |||
| " min_overall_smoothing_rate=%u" | |||
| " max_overall_smoothing_buffer=%u", | |||
| desc63_get_peak_rate(p_desc), | |||
| desc63_get_min_overall_smoothing_rate(p_desc), | |||
| desc63_get_max_overall_smoothing_buffer(p_desc) | |||
| ); | |||
| } | |||
| } | |||
| #ifdef __cplusplus | |||
| } | |||
| #endif | |||
| #endif | |||