Add faad2 for aac decoding

1 files changed, 78 insertions, 0 deletions

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 <http://www.gnu.org/licenses/>.
+****************************************************************************/
+
+#include <stdint.h>
+
+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);