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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* 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, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#ifndef BGAV_OPUS_HEADER_H_INCLUDED
#define BGAV_OPUS_HEADER_H_INCLUDED
typedef struct
{
uint8_t version;
uint8_t channel_count;
uint16_t pre_skip;
uint32_t samplerate; /* Bogus number! */
int16_t output_gain;
uint8_t channel_mapping;
struct
{
uint8_t stream_count;
uint8_t coupled_count;
uint8_t map[256]; // 255 actually
} chtab; // Channel mapping table
} bgav_opus_header_t;
int bgav_opus_header_read(bgav_input_context_t * input,
bgav_opus_header_t * ret);
void bgav_opus_header_dump(const bgav_opus_header_t * ret);
void bgav_opus_set_channel_setup(const bgav_opus_header_t * h,
gavl_audio_format_t * fmt);
#endif // BGAV_OPUS_HEADER_H_INCLUDED
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