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component_tag.c
85 lines (77 loc) · 3.5 KB
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component_tag.c
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/*
* Copyright (c) 2008-2018, Lucas C. Villa Real <lucasvr@gobolinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of GoboLinux nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "demuxfs.h"
bool component_is_video(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x00 || /* full-seg */
component_tag == 0x81; /* one-seg */
return component_tag <= 0x0f || /* full-seg */
component_tag == 0x81 || component_tag == 0x82; /* one-seg */
}
bool component_is_audio(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x10 || /* full-seg */
component_tag == 0x83 || component_tag == 0x85 || /* one-seg */
component_tag == 0x90; /* one-seg */
return (component_tag >= 0x10 && component_tag <= 0x2f) || /* full-seg */
(component_tag >= 0x83 && component_tag <= 0x86) || /* one-seg */
(component_tag == 0x90 || component_tag == 0x91); /* one-seg */
}
bool component_is_caption(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x30 || /* full-seg */
component_tag == 0x87; /* one-seg */
return (component_tag >= 0x30 && component_tag <= 0x37) || /* full-seg */
(component_tag == 0x87); /* one-seg */
}
bool component_is_superimposed(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x38 || /* full-seg */
component_tag == 0x88; /* one-seg */
return (component_tag >= 0x38 && component_tag <= 0x3f) || /* full-seg */
(component_tag == 0x88); /* one-seg */
}
bool component_is_object_carousel(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x40;
return component_tag >= 0x40 && component_tag <= 0x6f;
}
bool component_is_event_message(uint8_t component_tag)
{
return component_tag >= 0x70 && component_tag <= 0x7f;
}
bool component_is_data_carousel(uint8_t component_tag, bool *is_primary)
{
*is_primary = component_tag == 0x80;
return component_tag == 0x80;
}
bool component_is_one_seg(uint8_t component_tag)
{
return component_tag >= 0x80 && component_tag <= 0x8f;
}