dstdec.c File Reference

Direct Stream Transfer (DST) decoder ISO/IEC 14496-3 Part 3 Subpart 10: Technical description of lossless coding of oversampled audio. More...

#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "internal.h"
#include "get_bits.h"
#include "avcodec.h"
#include "golomb.h"
#include "mathops.h"
#include "dsd.h"

Classes
struct	ArithCoder
struct	Table
struct	DSTContext

Macros
#define	DST_MAX_CHANNELS   6
#define	DST_MAX_ELEMENTS   (2 * DST_MAX_CHANNELS)
#define	DSD_FS44(sample_rate)   (sample_rate * 8 / 44100)
#define	DST_SAMPLES_PER_FRAME(sample_rate)   (588 * DSD_FS44(sample_rate))
#define	F(x)   filter[(x)][status[(x)]]

Typedefs
typedef struct ArithCoder	ArithCoder
typedef struct Table	Table
typedef struct DSTContext	DSTContext

Variables
AVCodec	ff_dst_decoder

Detailed Description

Direct Stream Transfer (DST) decoder ISO/IEC 14496-3 Part 3 Subpart 10: Technical description of lossless coding of oversampled audio.

Variable Documentation

ff_dst_decoder

AVCodec ff_dst_decoder

Initial value:

= {
    .name           = "dst",
    .long_name      = NULL_IF_CONFIG_SMALL("DST (Digital Stream Transfer)"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_DST,
    .priv_data_size = sizeof(DSTContext),
    .init           = decode_init,
    .decode         = decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
    .sample_fmts    = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_FLT,
                                                      AV_SAMPLE_FMT_NONE },
}