diff options
| author | Mans Rullgard <mans@mansr.com> | 2011-05-17 14:22:25 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-05-19 12:25:36 +0100 |
| commit | 918d0584a452bf76264e717006f2cfc40b0de21f (patch) | |
| tree | 682a0a05656cd855f36753db469ab961ac62a089 /libavcodec/mpegaudiodec.c | |
| parent | c4f5c2d6f4ffa3f4b56555059000208a6ba47b55 (diff) | |
mpegaudio: move some struct definitions from mpegaudio.h
These structs are only used in mpegaudiodec.c, so move them there
and remove no longer needed #include lines from mpegaudio.h.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/mpegaudiodec.c')
| -rw-r--r-- | libavcodec/mpegaudiodec.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c index cc193c68d0..f0d9958d2b 100644 --- a/libavcodec/mpegaudiodec.c +++ b/libavcodec/mpegaudiodec.c @@ -39,6 +39,52 @@ #include "mpegaudio.h" #include "mpegaudiodecheader.h" +#define BACKSTEP_SIZE 512 +#define EXTRABYTES 24 + +/* layer 3 "granule" */ +typedef struct GranuleDef { + uint8_t scfsi; + int part2_3_length; + int big_values; + int global_gain; + int scalefac_compress; + uint8_t block_type; + uint8_t switch_point; + int table_select[3]; + int subblock_gain[3]; + uint8_t scalefac_scale; + uint8_t count1table_select; + int region_size[3]; /* number of huffman codes in each region */ + int preflag; + int short_start, long_end; /* long/short band indexes */ + uint8_t scale_factors[40]; + INTFLOAT sb_hybrid[SBLIMIT * 18]; /* 576 samples */ +} GranuleDef; + +typedef struct MPADecodeContext { + MPA_DECODE_HEADER + uint8_t last_buf[2*BACKSTEP_SIZE + EXTRABYTES]; + int last_buf_size; + /* next header (used in free format parsing) */ + uint32_t free_format_next_header; + GetBitContext gb; + GetBitContext in_gb; + DECLARE_ALIGNED(16, MPA_INT, synth_buf)[MPA_MAX_CHANNELS][512 * 2]; + int synth_buf_offset[MPA_MAX_CHANNELS]; + DECLARE_ALIGNED(16, INTFLOAT, sb_samples)[MPA_MAX_CHANNELS][36][SBLIMIT]; + INTFLOAT mdct_buf[MPA_MAX_CHANNELS][SBLIMIT * 18]; /* previous samples, for layer 3 MDCT */ + GranuleDef granules[2][2]; /* Used in Layer 3 */ +#ifdef DEBUG + int frame_count; +#endif + int adu_mode; ///< 0 for standard mp3, 1 for adu formatted mp3 + int dither_state; + int error_recognition; + AVCodecContext* avctx; + MPADSPContext mpadsp; +} MPADecodeContext; + #if CONFIG_FLOAT # define SHR(a,b) ((a)*(1.0f/(1<<(b)))) # define FIXR_OLD(a) ((int)((a) * FRAC_ONE + 0.5)) |