s302m.c File Reference

#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "internal.h"
#include "mathops.h"

Go to the source code of this file.

Data Structures
struct	S302Context

Macros
#define	AES3_HEADER_LEN   4
#define	FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_DECODING_PARAM

Functions
static int	s302m_parse_frame_header (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static int	s302m_decode_frame (AVCodecContext *avctx, void *data, int *got_frame_ptr, AVPacket *avpkt)

Variables
static const AVOption	s302m_options []
static const AVClass	s302m_class
const AVCodec	ff_s302m_decoder

Macro Definition Documentation

AES3_HEADER_LEN

#define AES3_HEADER_LEN   4

Definition at line 31 of file s302m.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_AUDIO_PARAM|AV_OPT_FLAG_DECODING_PARAM

Definition at line 205 of file s302m.c.

Function Documentation

s302m_parse_frame_header()

static int s302m_parse_frame_header ( AVCodecContext *  avctx, const uint8_t *  buf, int  buf_size  )

static

Definition at line 38 of file s302m.c.

Referenced by s302m_decode_frame().

s302m_decode_frame()

static int s302m_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame_ptr, AVPacket *  avpkt  )

static

Definition at line 93 of file s302m.c.

Variable Documentation

s302m_options

const AVOption s302m_options[]

static

Initial value:

= {
    {"non_pcm_mode", "Chooses what to do with NON-PCM", 0x42, AV_OPT_TYPE_INT, {.i64 = 3}, 0, 3, FLAGS, "non_pcm_mode"},
    {"copy"        , "Pass NON-PCM through unchanged"     , 0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 3, FLAGS, "non_pcm_mode"},
    {"drop"        , "Drop NON-PCM"                       , 0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 3, FLAGS, "non_pcm_mode"},
    {"decode_copy" , "Decode if possible else passthrough", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 3, FLAGS, "non_pcm_mode"},
    {"decode_drop" , "Decode if possible else drop"       , 0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 3, FLAGS, "non_pcm_mode"},
    {NULL}
}

Definition at line 206 of file s302m.c.

s302m_class

const AVClass s302m_class

static

Initial value:

= {
    .class_name = "SMPTE 302M Decoder",
    .item_name  = av_default_item_name,
    .option     = s302m_options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 215 of file s302m.c.

ff_s302m_decoder

const AVCodec ff_s302m_decoder

Initial value:

= {
    .name           = "s302m",
    .long_name      = NULL_IF_CONFIG_SMALL("SMPTE 302M"),
    .type           = AVMEDIA_TYPE_AUDIO,
    .id             = AV_CODEC_ID_S302M,
    .priv_data_size = sizeof(S302Context),
    .decode         = s302m_decode_frame,
    .capabilities   = AV_CODEC_CAP_CHANNEL_CONF |
                      AV_CODEC_CAP_DR1,
    .priv_class     = &s302m_class,
}

Definition at line 222 of file s302m.c.