Commit 85bcb754 authored by Clément Vasseur's avatar Clément Vasseur

Add more ATSC A/52 support

parent 99481459
/*****************************************************************************
* a52.h: ATSC A/52:2012 Digital Audio Compression Standard
*****************************************************************************
* Copyright (C) 2013-2014 VideoLAN
* Copyright (C) 2013-2018 VideoLAN
*
* Authors: Benjamin Cohen <bencoh@notk.org>
*
......@@ -302,6 +302,28 @@ static inline void a52e_set_fscod2(uint8_t *p_a52, uint8_t i_fscod)
p_a52[4] |= (i_fscod & 0x3) << 4;
}
static inline uint8_t a52e_get_acmod(const uint8_t *p_a52)
{
return (p_a52[4] & 0xe) >> 1;
}
static inline void a52e_set_acmod(uint8_t *p_a52, uint8_t i_acmod)
{
p_a52[4] &= ~0xe;
p_a52[4] |= (i_acmod & 0x7) << 1;
}
static inline uint8_t a52e_get_lfeon(const uint8_t *p_a52)
{
return p_a52[4] & 0x1;
}
static inline void a52e_set_lfeon(uint8_t *p_a52, uint8_t i_lfeon)
{
p_a52[4] &= ~0x1;
p_a52[4] |= i_lfeon & 0x1;
}
static inline bool a52e_sync_compare_formats(const uint8_t *p_a521, const uint8_t *p_a522)
{
return !memcmp(p_a521, p_a522, A52_SYNCINFO_SIZE);
......
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