Files
vanhofen 272d5b11ce libeplayer3: sync with max_10
Origin commit data
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Branch: master
Commit: 61a2a148d5
Author: vanhofen <vanhofen@gmx.de>
Date: 2023-01-24 (Tue, 24 Jan 2023)

Origin message was:
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- libeplayer3: sync with max_10

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No further description and justification available within origin commit message!

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This commit was generated by Migit
2023-01-24 21:00:47 +01:00

69 lines
1.7 KiB
C

/*
* aac helper
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef acc_123
#define acc_123
#define AAC_HEADER_LENGTH 7
static inline int HasADTSHeader(uint8_t *data, int size)
{
if (size >= AAC_HEADER_LENGTH && 0xFF == data[0] && 0xF0 == (0xF0 & data[1]) &&
size == ((data[3] & 0x3) << 11 | data[4] << 3 | data[5] >> 5))
{
return 1;
}
return 0;
}
static inline int aac_get_sample_rate_index(uint32_t sample_rate)
{
if (96000 <= sample_rate)
return 0;
else if (88200 <= sample_rate)
return 1;
else if (64000 <= sample_rate)
return 2;
else if (48000 <= sample_rate)
return 3;
else if (44100 <= sample_rate)
return 4;
else if (32000 <= sample_rate)
return 5;
else if (24000 <= sample_rate)
return 6;
else if (22050 <= sample_rate)
return 7;
else if (16000 <= sample_rate)
return 8;
else if (12000 <= sample_rate)
return 9;
else if (11025 <= sample_rate)
return 10;
else if (8000 <= sample_rate)
return 11;
else if (7350 <= sample_rate)
return 12;
else
return 13;
}
#endif