/****************************************************************************    MP4 output 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/>.****************************************************************************/ #include <stdint.h> enum {TAGMAX = 100}; typedef struct{    uint32_t samplerate;    // total sound samples    uint32_t samples;    uint32_t channels;    // sample depth    uint32_t bits;    // buffer config    uint16_t buffersize;    struct {        uint32_t max;        uint32_t avg;        int size;        int samples;    } bitrate;    uint32_t framesamples;    struct    {        uint16_t *data;        uint32_t ents;        uint32_t bufsize;    } frame;    // AudioSpecificConfig data:    struct    {        uint8_t *data;        unsigned long size;    } asc;    uint32_t mdatofs;    uint32_t mdatsize;     struct    {        // meta fields        const char *encoder;        const char *artist;        const char *artistsort;        const char *composer;        const char *composersort;        const char *title;        const char *album;        const char *albumartist;        const char *albumartistsort;        const char *albumsort;        uint8_t compilation;        uint32_t trackno;        uint32_t ntracks;        uint32_t discno;        uint32_t ndiscs;        int genre;        const char *year;        struct {            uint8_t *data;            int size;        } cover;        const char *comment;        struct {            const char *name;            const char *data;        } ext[TAGMAX];        int extnum;    } tag;} mp4config_t; extern mp4config_t mp4config; int mp4atom_open(char *name, int over);int mp4atom_head(void);int mp4atom_tail(void);int mp4atom_frame(uint8_t * bitbuf, int bytesWritten, int frame_samples);int mp4atom_close(void);int mp4tag_add(const char *name, const char *data);