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Add ATSC A52 service information

master
Arnaud de Turckheim 6 years ago
parent
0fd094c9ca
commit
8232e05cbe
6 changed files with 563 additions and 0 deletions
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  1. +2
    -0
      Makefile
  2. +37
    -0
      atsc/si.h
  3. +258
    -0
      atsc/si/desc_81.h
  4. +229
    -0
      atsc/si/desc_cc.h
  5. +34
    -0
      atsc/si/descs_list.h
  6. +3
    -0
      mpeg/psi/descs_print.h

+ 2
- 0
Makefile View File

@ -23,6 +23,8 @@ install: bitstream.pc
@install -m 644 common.h $(INCLUDE)/
@install -d $(INCLUDE)/atsc
@install -m 644 atsc/*.h $(INCLUDE)/atsc
@install -d $(INCLUDE)/atsc/si
@install -m 644 atsc/si/*.h $(INCLUDE)/atsc/si
@install -d $(INCLUDE)/dvb
@install -m 644 dvb/*.h $(INCLUDE)/dvb
@install -d $(INCLUDE)/dvb/si

+ 37
- 0
atsc/si.h View File

@ -0,0 +1,37 @@
/*****************************************************************************
* si.h: ATSC Service Information
*****************************************************************************
* Copyright (C) 2019 OpenHeadend
*
* Authors: Arnaud de Turckheim <adeturckheim@openheadend.tv>
*
* 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.
*****************************************************************************/
#ifndef __BITSTREAM_ATSC_SI_H__
#define __BITSTREAM_ATSC_SI_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/psi.h>
#include <bitstream/mpeg/psi/descriptors.h>
#include <bitstream/atsc/si/desc_81.h>
#include <bitstream/atsc/si/desc_cc.h>
#endif

+ 258
- 0
atsc/si/desc_81.h View File

@ -0,0 +1,258 @@
/*****************************************************************************
* desc_81.h: ATSC A/52 Descriptor 0x81: AC-3 descriptor
*****************************************************************************
* Copyright (C) 2019 OpenHeadend
*
* Authors: Arnaud de Turckheim <adeturckheim@openheadend.tv>
*
* 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.
*****************************************************************************/
#ifndef __BITSTREAM_ATSC_DESC_81_H__
#define __BITSTREAM_ATSC_DESC_81_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
#define DESC81_HEADER_SIZE (DESC_HEADER_SIZE + 3)
static inline void desc81_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x81);
}
#define DESC81_SAMPLE_RATE_CODE_48 0x00
#define DESC81_SAMPLE_RATE_CODE_44_1 0x01
#define DESC81_SAMPLE_RATE_CODE_32 0x02
#define DESC81_SAMPLE_RATE_CODE_48_OR_44_1 0x04
#define DESC81_SAMPLE_RATE_CODE_48_OR_32 0x05
#define DESC81_SAMPLE_RATE_CODE_44_1_OR_32 0x06
#define DESC81_SAMPLE_RATE_CODE_48_OR_44_1_OR_32 0x07
static inline void desc81_set_sample_rate_code(uint8_t *p_desc,
uint8_t sample_rate)
{
p_desc[2] = (p_desc[2] & 0x3f) | (sample_rate << 5);
}
static inline uint8_t desc81_get_sample_rate_code(const uint8_t *p_desc)
{
return p_desc[2] >> 5;
}
static inline void desc81_set_bsid(uint8_t *p_desc, uint8_t bsid)
{
p_desc[2] = (p_desc[2] & 0xd0) | (bsid & 0x1f);
}
static inline uint8_t desc81_get_bsid(const uint8_t *p_desc)
{
return p_desc[2] & 0x1f;
}
static inline uint8_t desc81_bit_rate_code_from_octetrate(uint64_t octetrate)
{
unsigned table[19] = {
32, 40, 48, 56, 64, 80,
96, 112, 128, 160, 192, 224,
256, 320, 384, 448, 512, 576,
640,
};
for (unsigned i = 0; i < 19; i++) {
if (octetrate * 8 == table[i])
return i;
else if (octetrate * 8 < table[i])
return 0x20 | i;
}
return 0xff;
}
static inline void desc81_set_bit_rate_code(uint8_t *p_desc,
uint8_t bit_rate_code)
{
p_desc[3] = (p_desc[3] & 0x03) | (bit_rate_code << 2);
}
static inline uint8_t desc81_get_bit_rate_code(const uint8_t *p_desc)
{
return p_desc[3] >> 2;
}
static inline void desc81_set_surround_mode(uint8_t *p_desc,
uint8_t surround_mode)
{
p_desc[3] = (p_desc[3] & 0xfc) | (surround_mode & 0x03);
}
static inline uint8_t desc81_get_surround_mode(const uint8_t *p_desc)
{
return p_desc[3] & 0x03;
}
static inline void desc81_set_bsmod(uint8_t *p_desc, uint8_t bsmod)
{
p_desc[4] = (p_desc[4] & 0x1f) | (bsmod << 5);
}
static inline uint8_t desc81_get_bsmod(const uint8_t *p_desc)
{
return p_desc[4] >> 5;
}
static inline void desc81_set_num_channels(uint8_t *p_desc,
uint8_t num_channels)
{
p_desc[4] = (p_desc[4] & 0xe1) | ((num_channels & 0x0f) << 1);
}
static inline uint8_t desc81_get_num_channels(const uint8_t *p_desc)
{
return (p_desc[4] & 0x1e) >> 1;
}
static inline void desc81_set_full_svc(uint8_t *p_desc, uint8_t full_svc)
{
p_desc[4] = (p_desc[4] & 0xfe) | (full_svc & 0x01);
}
static inline uint8_t desc81_get_full_svc(const uint8_t *p_desc)
{
return p_desc[4] & 0x1;
}
static inline void desc81_set_langcod(uint8_t *p_desc, uint8_t langcod)
{
p_desc[5] = langcod;
}
static inline uint8_t desc81_get_langcod(const uint8_t *p_desc)
{
return p_desc[5];
}
static inline void desc81_set_langcod2(uint8_t *p_desc, uint8_t langcod2)
{
if (desc81_get_num_channels(p_desc) == 0)
p_desc[6] = langcod2;
}
static inline uint8_t desc81_get_langcod2(const uint8_t *p_desc)
{
return p_desc[6];
}
static inline void desc81_set_mainid(uint8_t *p_desc, uint8_t mainid)
{
if (desc81_get_bsmod(p_desc) < 2)
p_desc[7] = (p_desc[7] & 0x1f) | (mainid << 5);
}
static inline uint8_t desc81_get_mainid(const uint8_t *p_desc)
{
return p_desc[7] >> 5;
}
static inline void desc81_set_priority(uint8_t *p_desc, uint8_t priority)
{
p_desc[7] = (p_desc[7] & 0xe7) | ((priority & 0x3) << 3);
}
static inline uint8_t desc81_get_priority(const uint8_t *p_desc)
{
return (p_desc[7] & 0x18) >> 3;
}
static inline void desc81_set_asvcflags(uint8_t *p_desc, uint8_t asvcflags)
{
p_desc[7] = asvcflags;
}
static inline uint8_t desc81_get_asvcflags(const uint8_t *p_desc)
{
return p_desc[7];
}
static inline bool desc81_validate(const uint8_t *p_desc)
{
uint8_t i_size = (DESC81_HEADER_SIZE - DESC_HEADER_SIZE);
return desc_get_length(p_desc) >= i_size;
}
static inline void desc81_print(const uint8_t *p_desc, f_print pf_print,
void *opaque, print_type_t i_print_type)
{
uint8_t sample_rate_code = desc81_get_sample_rate_code(p_desc);
uint8_t bsid = desc81_get_bsid(p_desc);
uint8_t bit_rate_code = desc81_get_bit_rate_code(p_desc);
uint8_t surround_mode = desc81_get_surround_mode(p_desc);
uint8_t bsmod = desc81_get_bsmod(p_desc);
uint8_t num_channels = desc81_get_num_channels(p_desc);
uint8_t full_svc = desc81_get_full_svc(p_desc);
switch (i_print_type) {
case PRINT_XML:
pf_print(opaque,
"<AC3_DESC"
" sample_rate=\"0x%02x\""
" bsid=\"0x%02x\""
" bit_rate=\"0x%02x\""
" surround_mode=\"0x%02x\""
" bsmod=\"0x%02x\""
" num_channels=\"0x%02x\""
" full_svc=\"%u\"/>",
sample_rate_code,
bsid,
bit_rate_code,
surround_mode,
bsmod,
num_channels,
full_svc);
break;
default:
pf_print(opaque,
" - desc 81 ac-3"
" sample_rate=\"0x%02x\""
" bsid=\"0x%02x\""
" bit_rate=\"0x%02x\""
" surround_mode=\"0x%02x\""
" bsmod=\"0x%02x\""
" num_channels=\"0x%02x\""
" full_svc=\"%u\"",
sample_rate_code,
bsid,
bit_rate_code,
surround_mode,
bsmod,
num_channels,
full_svc);
break;
}
}
#ifdef __cplusplus
}
#endif
#endif

+ 229
- 0
atsc/si/desc_cc.h View File

@ -0,0 +1,229 @@
/*****************************************************************************
* desc_cc.h: ATSC A/52 Descriptor 0xcc: Enhanced AC-3 descriptor
*****************************************************************************
* Copyright (C) 2019 OpenHeadend
*
* Authors: Arnaud de Turckheim <adeturckheim@openheadend.tv>
*
* 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.
*****************************************************************************/
#ifndef __BITSTREAM_ATSC_DESC_CC_H__
#define __BITSTREAM_ATSC_DESC_CC_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
#define DESCCC_HEADER_SIZE (DESC_HEADER_SIZE + 2)
static inline void desccc_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0xcc);
desc_set_length(p_desc, DESCCC_HEADER_SIZE - DESC_HEADER_SIZE);
p_desc[2] = 0x80;
p_desc[3] = 0xc0;
}
static inline void desccc_clear_flags(uint8_t *p_desc)
{
p_desc[2] = 0x80;
p_desc[3] = 0xc0;
}
static inline void desccc_set_bsid_flag(uint8_t *p_desc, uint8_t bsid_flag)
{
p_desc[2] = (p_desc[2] & 0xbf) | ((bsid_flag & 0x1) << 6);
}
static inline uint8_t desccc_get_bsid_flag(const uint8_t *p_desc)
{
return (p_desc[2] & 0x40) >> 6;
}
static inline void desccc_set_mainid_flag(uint8_t *p_desc, uint8_t mainid_flag)
{
p_desc[2] = (p_desc[2] & 0xdf) | ((mainid_flag & 0x1) << 5);
}
static inline uint8_t desccc_get_mainid_flag(const uint8_t *p_desc)
{
return (p_desc[2] & 0x20) >> 5;
}
static inline void desccc_set_asvc_flag(uint8_t *p_desc, uint8_t asvc_flag)
{
p_desc[2] = (p_desc[2] & 0xef) | ((asvc_flag & 0x1) << 4);
}
static inline uint8_t desccc_get_asvc_flag(const uint8_t *p_desc)
{
return (p_desc[2] & 0x10) >> 4;
}
static inline void desccc_set_mixinfoexists(uint8_t *p_desc,
uint8_t mixinfoexists)
{
p_desc[2] = (p_desc[2] & 0xf7) | ((mixinfoexists & 0x1) << 3);
}
static inline uint8_t desccc_get_mixinfoexists(const uint8_t *p_desc)
{
return (p_desc[2] & 0x08) >> 3;
}
static inline void desccc_set_substream1_flag(uint8_t *p_desc,
uint8_t substream1_flag)
{
p_desc[2] = (p_desc[2] & 0xfb) | ((substream1_flag & 0x1) << 2);
}
static inline uint8_t desccc_get_substream1_flag(const uint8_t *p_desc)
{
return (p_desc[2] & 0x04) >> 2;
}
static inline void desccc_set_substream2_flag(uint8_t *p_desc,
uint8_t substream2_flag)
{
p_desc[2] = (p_desc[2] & 0xfd) | ((substream2_flag & 0x1) << 1);
}
static inline uint8_t desccc_get_substream2_flag(const uint8_t *p_desc)
{
return (p_desc[2] & 0x02) >> 1;
}
static inline void desccc_set_substream3_flag(uint8_t *p_desc,
uint8_t substream3_flag)
{
p_desc[2] = (p_desc[2] & 0xfe) | (substream3_flag & 0x1);
}
static inline uint8_t desccc_get_substream3_flag(const uint8_t *p_desc)
{
return p_desc[2] & 0x01;
}
static inline void desccc_set_full_service_flag(uint8_t *p_desc,
uint8_t full_service_flag)
{
p_desc[3] = (p_desc[3] & 0xbf) | ((full_service_flag & 0x01) << 6);
}
static inline uint8_t desccc_get_full_service_flag(const uint8_t *p_desc)
{
return (p_desc[3] & 0x40) >> 6;
}
static inline void desccc_set_audio_service_type(uint8_t *p_desc,
uint8_t audio_service_type)
{
p_desc[3] = (p_desc[3] & 0xc7) | ((audio_service_type & 0x07) << 3);
}
static inline uint8_t desccc_get_audio_service_type(const uint8_t *p_desc)
{
return (p_desc[3] & 0x38) >> 3;
}
static inline void desccc_set_number_of_channels(uint8_t *p_desc,
uint8_t number_of_channels)
{
p_desc[3] = (p_desc[3] & 0xf8) | number_of_channels;
}
static inline uint8_t desccc_get_number_of_channels(const uint8_t *p_desc)
{
return p_desc[3] & 0x07;
}
static inline bool desccc_validate(const uint8_t *p_desc)
{
uint8_t i_size = (DESCCC_HEADER_SIZE - DESC_HEADER_SIZE);
return desc_get_length(p_desc) >= i_size;
}
static inline void desccc_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,
"<EAC3_DESC "
" bsid_flag=\"%u\""
" mainid_flag=\"%u\""
" asvc_flag=\"%u\""
" mixinfoexists=\"%u\""
" substream1_flag=\"%u\""
" substream2_flag=\"%u\""
" substream3_flag=\"%u\""
" full_service_flag=\"%u\""
" audio_service_type=\"0x%02x\""
" number_of_channels=\"0x%02x\""
"/>",
desccc_get_bsid_flag(p_desc) ,
desccc_get_mainid_flag(p_desc) ,
desccc_get_asvc_flag(p_desc) ,
desccc_get_mixinfoexists(p_desc) ,
desccc_get_substream1_flag(p_desc) ,
desccc_get_substream2_flag(p_desc) ,
desccc_get_substream3_flag(p_desc) ,
desccc_get_full_service_flag(p_desc) ,
desccc_get_audio_service_type(p_desc),
desccc_get_number_of_channels(p_desc));
break;
default:
pf_print(opaque,
" - desc cc eac3"
" bsid_flag=\"%u\""
" mainid_flag=\"%u\""
" asvc_flag=\"%u\""
" mixinfoexists=\"%u\""
" substream1_flag=\"%u\""
" substream2_flag=\"%u\""
" substream3_flag=\"%u\""
" full_service_flag=\"%u\""
" audio_service_type=\"0x%02x\""
" number_of_channels=\"0x%02x\"",
desccc_get_bsid_flag(p_desc) ,
desccc_get_mainid_flag(p_desc) ,
desccc_get_asvc_flag(p_desc) ,
desccc_get_mixinfoexists(p_desc) ,
desccc_get_substream1_flag(p_desc) ,
desccc_get_substream2_flag(p_desc) ,
desccc_get_substream3_flag(p_desc) ,
desccc_get_full_service_flag(p_desc) ,
desccc_get_audio_service_type(p_desc),
desccc_get_number_of_channels(p_desc)
);
}
}
#ifdef __cplusplus
}
#endif
#endif

+ 34
- 0
atsc/si/descs_list.h View File

@ -0,0 +1,34 @@
/*****************************************************************************
* descs_list.h: All supported ATSC descriptors
*****************************************************************************
* Copyright (C) 2019 OpenHeadend
*
* Authors: Arnaud de Turckheim <adeturckheim@openheadend.tv>
*
* 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.
*****************************************************************************/
#ifndef __BITSTREAM_ATSC_DESCS_LIST_H__
#define __BITSTREAM_ATSC_DESCS_LIST_H__
#include <bitstream/atsc/si/desc_81.h>
#include <bitstream/atsc/si/desc_cc.h>
#endif

+ 3
- 0
mpeg/psi/descs_print.h View File

@ -32,6 +32,7 @@
#include <bitstream/mpeg/psi/descriptors.h>
#include <bitstream/mpeg/psi/descs_list.h>
#include <bitstream/dvb/si/descs_list.h>
#include <bitstream/atsc/si/descs_list.h>
#ifdef __cplusplus
extern "C"
@ -183,6 +184,8 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC(7a)
CASE_DESC(7b)
CASE_DESC(7c)
CASE_DESC(81)
CASE_DESC(cc)
#undef CASE_DESC
#undef CASE_DESC_ICONV

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