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/*
* FLUENDO S.A.
* Copyright (C) <2005 - 2011> <support@fluendo.com>
*/
#ifndef __MP3TL_PRIV_H__
#define __MP3TL_PRIV_H__
#include <gst/gst.h>
#include "mp3tl.h"
#ifdef USE_IPP
#include "mp3-ipp.h"
#endif
#include "mp3-c.h"
typedef short PCM[2][SSLIMIT][SBLIMIT];
typedef unsigned int SAM[2][3][SBLIMIT];
typedef float FRA[2][3][SBLIMIT];
/* Size of the temp buffer for output samples, max 2 channels *
* sub-bands * samples-per-sub-band * 2 buffers
*/
#define SAMPLE_BUF_SIZE (4 * 2 * SBLIMIT * SSLIMIT)
struct mp3tl
{
void * alloc_memory;
gboolean need_sync;
gboolean need_header;
gboolean at_eos;
gboolean lost_sync;
/* Bit stream to read the data from */
Bit_stream_struc *bs;
/* Layer number we're decoding, 0 if we don't know yet */
guint8 stream_layer;
guint64 frame_num;
/* Bits consumed from the stream so far */
gint64 bits_used;
/* Number of samples output so far */
guint32 sample_frames;
/* Total number of errors encountered */
guint error_count;
/* Sample size configure for. Always 16-bits, for now */
guint sample_size;
/* Frame decoding info */
frame_params fr_ps;
/* Number of granules in this frame (1 or 2) */
guint n_granules;
/* CRC value read from the mpeg data */
guint old_crc;
__CACHE_LINE_DECL_ALIGN(PCM pcm_sample);
__CACHE_LINE_DECL_ALIGN(SAM sample);
__CACHE_LINE_DECL_ALIGN(FRA fraction);
/* Output samples circular buffer and read and write ptrs */
gint16 *sample_buf;
guint32 sample_w;
char *reason; /* Reason why an error was returned, if known */
#ifdef USE_IPP
mp3ipp_info ipp;
#endif
mp3cimpl_info c_impl;
/*Free format bitrate */
guint32 free_bitrate;
/*Used for one time calculation of free bitrate */
gboolean free_first;
};
void mp3_SubBandSynthesis (mp3tl * tl ATTR_UNUSED,
frame_params * fr_ps, float *bandPtr, gint channel, short *samples);
#endif
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