1 files changed, 27 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/mpegaudio.h b/src/libffmpeg/libavcodec/mpegaudio.h
new file mode 100644
index 000000000..3381dbed2
--- /dev/null
+++ b/src/libffmpeg/libavcodec/mpegaudio.h
@@ -0,0 +1,27 @@
+/* mpeg audio declarations for both encoder and decoder */
+
+/* max frame size, in samples */
+#define MPA_FRAME_SIZE 1152 
+
+/* max compressed frame size */
+#define MPA_MAX_CODED_FRAME_SIZE 1792
+
+#define MPA_MAX_CHANNELS 2
+
+#define SBLIMIT 32 /* number of subbands */
+
+#define MPA_STEREO  0
+#define MPA_JSTEREO 1
+#define MPA_DUAL    2
+#define MPA_MONO    3
+
+int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
+
+extern const UINT16 mpa_bitrate_tab[2][3][15];
+extern const UINT16 mpa_freq_tab[3];
+extern const unsigned char *alloc_tables[5];
+extern const double enwindow[512];
+extern const int sblimit_table[5];
+extern const int quant_steps[17];
+extern const int quant_bits[17];
+extern const INT32 mpa_enwindow[257];