/****************************************************************************    MP4 input module     Copyright (C) 2017 Krzysztof Nikiel     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 3 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/>.****************************************************************************/ #ifdef __plan9__typedef u8int uint8_t;typedef u16int uint16_t;typedef u32int uint32_t;typedef u64int uint64_t;typedef s64int int64_t;typedef long time_t;typedef long clock_t;#define clock() (nsec()/1000000ULL)#define CLOCKS_PER_SEC 1000ULL#define INT_MAX 0x7fffffff#endif typedef struct{    uint32_t len;    uint32_t offset;} frame_info_t; typedef struct{    uint32_t firstchunk;    uint32_t samplesperchunk;} slice_info_t; typedef struct{    uint32_t ctime, mtime;    uint32_t samplerate;    // total sound samples    uint32_t samples;    uint32_t channels;    // sample depth    uint32_t bits;    // buffer config    uint32_t buffersize;    uint32_t bitratemax;    uint32_t bitrateavg;    // frame size / offsets    struct    {        frame_info_t *info;        slice_info_t *map;        uint32_t nsamples;        uint32_t nsclices;        uint32_t current;        uint32_t maxsize;    } frame;    // AudioSpecificConfig data:    struct    {        uint8_t buf[10];        uint32_t size;    } asc;    struct {        uint32_t size;        uint8_t *data;    } bitbuf;    struct {        int header;        int tags;    } verbose;} mp4config_t; extern mp4config_t mp4config; int mp4read_open(char *name);int mp4read_seek(uint32_t framenum);int mp4read_frame(void);int mp4read_close(void);