* mpeg audio declarations for both encoder and decoder.
*/
-#ifndef MPEGAUDIO_H
-#define MPEGAUDIO_H
+#ifndef FFMPEG_MPEGAUDIO_H
+#define FFMPEG_MPEGAUDIO_H
+#include "avcodec.h"
#include "bitstream.h"
#include "dsputil.h"
#define WFRAC_BITS 14 /* fractional bits for window */
#endif
+#define FRAC_ONE (1 << FRAC_BITS)
+
+#define FIX(a) ((int)((a) * FRAC_ONE))
+
#if defined(USE_HIGHPRECISION) && defined(CONFIG_AUDIO_NONSHORT)
typedef int32_t OUT_INT;
#define OUT_MAX INT32_MAX
AVCodecContext* avctx;
} MPADecodeContext;
-int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
+/* layer 3 huffman tables */
+typedef struct HuffTable {
+ int xsize;
+ const uint8_t *bits;
+ const uint16_t *codes;
+} HuffTable;
+
+int ff_mpa_l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
int ff_mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate);
void ff_mpa_synth_init(MPA_INT *window);
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
return 0;
}
-#endif /* MPEGAUDIO_H */
+#endif /* FFMPEG_MPEGAUDIO_H */