Bitstream by VideoLAN
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/*****************************************************************************
* desc_28.h: ISO/IEC 13818-1 Descriptor 0x28 (AVC video descriptor)
*****************************************************************************
* 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:
* - ISO/IEC 13818-1:2007(E) (MPEG-2 Systems)
*/
#ifndef __BITSTREAM_MPEG_DESC_28_H__
#define __BITSTREAM_MPEG_DESC_28_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* Descriptor 0x28 (AVC video descriptor)
*****************************************************************************/
#define DESC28_HEADER_SIZE (DESC_HEADER_SIZE + 4)
static inline void desc28_init(uint8_t *p_desc)
{
desc_set_tag(p_desc, 0x28);
desc_set_length(p_desc, DESC28_HEADER_SIZE - DESC_HEADER_SIZE);
p_desc[5] = 0x3f;
}
static inline bool desc28_validate(const uint8_t *p_desc)
{
return desc_get_length(p_desc) >= DESC28_HEADER_SIZE - DESC_HEADER_SIZE;
}
static inline uint8_t desc28_get_profile_idc(const uint8_t *p_desc)
{
return p_desc[2];
}
static inline void desc28_set_profile_idc(uint8_t *p_desc, uint8_t i_profile_idc)
{
p_desc[2] = i_profile_idc;
}
static inline bool desc28_get_constraint_set0_flag(const uint8_t *p_desc)
{
return (p_desc[3] & 0x80) == 0x80;
}
static inline void desc28_set_constraint_set0_flag(uint8_t *p_desc, bool b_constraint_set0_flag)
{
p_desc[3] = b_constraint_set0_flag ? (p_desc[3] | 0x80) : (p_desc[3] &~ 0x80);
}
static inline bool desc28_get_constraint_set1_flag(const uint8_t *p_desc)
{
return (p_desc[3] & 0x40) == 0x40;
}
static inline void desc28_set_constraint_set1_flag(uint8_t *p_desc, bool b_constraint_set1_flag)
{
p_desc[3] = b_constraint_set1_flag ? (p_desc[3] | 0x40) : (p_desc[3] &~ 0x40);
}
static inline bool desc28_get_constraint_set2_flag(const uint8_t *p_desc)
{
return (p_desc[3] & 0x20) == 0x20;
}
static inline void desc28_set_constraint_set2_flag(uint8_t *p_desc, bool b_constraint_set2_flag)
{
p_desc[3] = b_constraint_set2_flag ? (p_desc[3] | 0x20) : (p_desc[3] &~ 0x20);
}
static inline uint8_t desc28_get_avc_compatible_flags(const uint8_t *p_desc)
{
return p_desc[3] & 0x1f;
}
static inline void desc28_set_avc_compatible_flags(uint8_t *p_desc, uint8_t i_avc_compatible_flags)
{
p_desc[3] = (p_desc[3] & 0xe0) | (i_avc_compatible_flags & 0x1f);
}
static inline uint8_t desc28_get_level_idc(const uint8_t *p_desc)
{
return p_desc[4];
}
static inline void desc28_set_level_idc(uint8_t *p_desc, uint8_t i_level_idc)
{
p_desc[4] = i_level_idc;
}
static inline bool desc28_get_avc_still_present(const uint8_t *p_desc)
{
return (p_desc[5] & 0x80) == 0x80;
}
static inline void desc28_set_avc_still_present(uint8_t *p_desc, bool b_avc_still_present)
{
p_desc[5] = b_avc_still_present ? (p_desc[5] | 0x80) : (p_desc[5] &~ 0x80);
}
static inline bool desc28_get_avc_24_hour_picture_flag(const uint8_t *p_desc)
{
return (p_desc[5] & 0x40) == 0x40;
}
static inline void desc28_set_avc_24_hour_picture_flag(uint8_t *p_desc, bool b_avc_24_hour_picture_flag)
{
p_desc[5] = b_avc_24_hour_picture_flag ? (p_desc[5] | 0x40) : (p_desc[5] &~ 0x40);
}
static inline void desc28_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, "<AVC_VIDEO_DESC profile_idc=\"0x%02x\" constraint_set0_flag=\"%u\""
" constraint_set1_flag=\"%u\" constraint_set2_flag=\"%u\""
" AVC_compatible_flags=\"0x%02x\" level_idc=\"0x%02x\""
" AVC_still_present=\"%u\" AVC_24_hour_picture_flag=\"%u\"/>",
desc28_get_profile_idc(p_desc),
desc28_get_constraint_set0_flag(p_desc),
desc28_get_constraint_set1_flag(p_desc),
desc28_get_constraint_set2_flag(p_desc),
desc28_get_avc_compatible_flags(p_desc),
desc28_get_level_idc(p_desc),
desc28_get_avc_still_present(p_desc),
desc28_get_avc_24_hour_picture_flag(p_desc)
);
break;
default:
pf_print(opaque," - desc 28 avc_video profile_idc=0x%02x constraint_set0_flag=%u"
" constraint_set1_flag=%u constraint_set2_flag=%u"
" AVC_compatible_flags=0x%02x level_idc=0x%02x"
" AVC_still_present=%u AVC_24_hour_picture_flag=%u",
desc28_get_profile_idc(p_desc),
desc28_get_constraint_set0_flag(p_desc),
desc28_get_constraint_set1_flag(p_desc),
desc28_get_constraint_set2_flag(p_desc),
desc28_get_avc_compatible_flags(p_desc),
desc28_get_level_idc(p_desc),
desc28_get_avc_still_present(p_desc),
desc28_get_avc_24_hour_picture_flag(p_desc)
);
}
}
#ifdef __cplusplus
}
#endif
#endif