Initial (unmodified - for reference) import of David Hammerton's Apple Lossless (ALAC) decoder from http://crazney.net/programs/itunes/alac.html

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7541 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 55 insertions, 0 deletions

diff --git a/apps/codecs/libalac/demux.h b/apps/codecs/libalac/demux.h
new file mode 100644
index 0000000000..62b949fa3b
--- /dev/null
+++ b/apps/codecs/libalac/demux.h
@@ -0,0 +1,55 @@
+#ifndef DEMUX_H
+#define DEMUX_H
+
+#include <stdint.h>
+#include "stream.h"
+
+typedef uint32_t fourcc_t;
+
+typedef struct
+{
+    uint16_t num_channels;
+    uint16_t sample_size;
+    uint32_t sample_rate;
+    fourcc_t format;
+    void *buf;
+
+    struct {
+        uint32_t sample_count;
+        uint32_t sample_duration;
+    } *time_to_sample;
+    uint32_t num_time_to_samples;
+
+    uint32_t *sample_byte_size;
+    uint32_t num_sample_byte_sizes;
+
+    uint32_t codecdata_len;
+    void *codecdata;
+
+    uint32_t mdat_len;
+#if 0
+    void *mdat;
+#endif
+} demux_res_t;
+
+int qtmovie_read(stream_t *stream, demux_res_t *demux_res);
+
+#ifndef MAKEFOURCC
+#define MAKEFOURCC(ch0, ch1, ch2, ch3) ( \
+    ( (int32_t)(char)(ch0) << 24 ) | \
+    ( (int32_t)(char)(ch1) << 16 ) | \
+    ( (int32_t)(char)(ch2) << 8 ) | \
+    ( (int32_t)(char)(ch3) ) )
+#endif
+
+#ifndef SLPITFOURCC
+/* splits it into ch0, ch1, ch2, ch3 - use for printf's */
+#define SPLITFOURCC(code) \
+    (char)((int32_t)code >> 24), \
+    (char)((int32_t)code >> 16), \
+    (char)((int32_t)code >> 8), \
+    (char)code
+#endif
+
+#endif /* DEMUX_H */
+