From abdc00fd2dbe013bffe8a303fe899e209006f7ce Mon Sep 17 00:00:00 2001 From: jacqueline Date: Wed, 10 Jan 2024 14:32:22 +1100 Subject: Add faad2 for aac decoding --- lib/faad2/frontend/mp4read.h | 78 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 lib/faad2/frontend/mp4read.h (limited to 'lib/faad2/frontend/mp4read.h') diff --git a/lib/faad2/frontend/mp4read.h b/lib/faad2/frontend/mp4read.h new file mode 100644 index 00000000..e7b9f141 --- /dev/null +++ b/lib/faad2/frontend/mp4read.h @@ -0,0 +1,78 @@ +/**************************************************************************** + 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 . +****************************************************************************/ + +#include + +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); -- cgit v1.2.3