libmpeghdec.c File Reference

#include <string.h>
#include <mpeghdec/mpeghdecoder.h>
#include "libavutil/channel_layout.h"
#include "libavutil/frame.h"
#include "libavutil/mem.h"
#include "codec_internal.h"
#include "decode.h"

Go to the source code of this file.

Data Structures
struct	MPEGH3DADecContext

Macros
#define	MAX_LOST_FRAMES   2
#define	PER_CHANNEL_OUTBUF_SIZE   (3072 * (MAX_LOST_FRAMES + 1))
#define	CH_LAYOUT_7POINT2POINT3
#define	CH_LAYOUT_5POINT1POINT6
#define	CH_LAYOUT_7POINT1POINT6

Functions
static av_cold int	mpegh3dadec_close (AVCodecContext *avctx)
static av_cold int	channel_layout_to_cicp (const AVChannelLayout *layout)
static av_cold int	mpegh3dadec_init (AVCodecContext *avctx)
static int	mpegh3dadec_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt)
static av_cold void	mpegh3dadec_flush (AVCodecContext *avctx)

Variables
const FFCodec	ff_libmpeghdec_decoder

Macro Definition Documentation

MAX_LOST_FRAMES

#define MAX_LOST_FRAMES   2

Definition at line 42 of file libmpeghdec.c.

PER_CHANNEL_OUTBUF_SIZE

#define PER_CHANNEL_OUTBUF_SIZE   (3072 * (MAX_LOST_FRAMES + 1))

Definition at line 44 of file libmpeghdec.c.

Referenced by mpegh3dadec_init().

CH_LAYOUT_7POINT2POINT3

#define CH_LAYOUT_7POINT2POINT3

Value:

                                AV_CH_LAYOUT_5POINT1POINT2 | AV_CH_SIDE_SURROUND_LEFT | \
                                AV_CH_SIDE_SURROUND_RIGHT | AV_CH_TOP_BACK_CENTER |     \
                                AV_CH_LOW_FREQUENCY_2

Referenced by channel_layout_to_cicp().

CH_LAYOUT_5POINT1POINT6

#define CH_LAYOUT_5POINT1POINT6

Value:

                                AV_CH_LAYOUT_5POINT1POINT4_BACK | \
                                AV_CH_TOP_FRONT_CENTER | AV_CH_TOP_CENTER

Referenced by channel_layout_to_cicp().

CH_LAYOUT_7POINT1POINT6

#define CH_LAYOUT_7POINT1POINT6

Value:

                                AV_CH_LAYOUT_7POINT1POINT4_BACK | \
                                AV_CH_TOP_FRONT_CENTER | AV_CH_TOP_CENTER

Referenced by channel_layout_to_cicp().

Function Documentation

mpegh3dadec_close()

static av_cold int mpegh3dadec_close ( AVCodecContext * avctx )

static

Definition at line 55 of file libmpeghdec.c.

channel_layout_to_cicp()

static av_cold int channel_layout_to_cicp ( const AVChannelLayout * layout )

static

Definition at line 69 of file libmpeghdec.c.

Referenced by mpegh3dadec_init().

mpegh3dadec_init()

static av_cold int mpegh3dadec_init ( AVCodecContext * avctx )

static

Definition at line 104 of file libmpeghdec.c.

mpegh3dadec_decode_frame()

static int mpegh3dadec_decode_frame ( AVCodecContext * avctx, AVFrame * frame, int * got_frame_ptr, AVPacket * avpkt )

static

Definition at line 147 of file libmpeghdec.c.

mpegh3dadec_flush()

static av_cold void mpegh3dadec_flush ( AVCodecContext * avctx )

static

Definition at line 206 of file libmpeghdec.c.

Variable Documentation

ff_libmpeghdec_decoder

const FFCodec ff_libmpeghdec_decoder

Initial value:

= {
    .p.name         = "libmpeghdec",
    CODEC_LONG_NAME("libmpeghdec (MPEG-H 3D Audio)"),
    .p.type         = AVMEDIA_TYPE_AUDIO,
    .p.id           = AV_CODEC_ID_MPEGH_3D_AUDIO,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
                      AV_CODEC_CAP_CHANNEL_CONF,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
    .priv_data_size = sizeof(MPEGH3DADecContext),
    .init           = mpegh3dadec_init,
    FF_CODEC_DECODE_CB(mpegh3dadec_decode_frame),
    .flush          = mpegh3dadec_flush,
    .close          = mpegh3dadec_close,
    .p.wrapper_name = "libmpeghdec",
}

Definition at line 217 of file libmpeghdec.c.