move a couple of macros and structs to mpegaudio.h

Originally committed as revision 9343 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2007-06-16 22:58:43 +00:00
parent 41e4c556e9
commit c2d08dc0d7
3 changed files with 11 additions and 11 deletions

View File

@@ -62,6 +62,10 @@
#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
@@ -116,6 +120,13 @@ typedef struct MPADecodeContext {
AVCodecContext* avctx;
} MPADecodeContext;
/* 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);