pcm_rechunk_bsf.c File Reference

#include "avcodec.h"
#include "bsf_internal.h"
#include "libavutil/avassert.h"
#include "libavutil/opt.h"

Go to the source code of this file.

Data Structures
struct	PCMContext

Macros
#define	OFFSET(x)   offsetof(PCMContext, x)
#define	FLAGS   (AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM)

Functions
static int	init (AVBSFContext *ctx)
static void	uninit (AVBSFContext *ctx)
static void	flush (AVBSFContext *ctx)
static int	send_packet (PCMContext *s, int nb_samples, AVPacket *pkt)
static void	drain_packet (AVPacket *pkt, int drain_data, int drain_samples)
static int	get_next_nb_samples (AVBSFContext *ctx)
static int	rechunk_filter (AVBSFContext *ctx, AVPacket *pkt)

Variables
static const AVOption	options []
static const AVClass	pcm_rechunk_class
static enum AVCodecID	codec_ids []
const AVBitStreamFilter	ff_pcm_rechunk_bsf

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(PCMContext, x)

Definition at line 173 of file pcm_rechunk_bsf.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM)

Definition at line 174 of file pcm_rechunk_bsf.c.

Function Documentation

init()

static int init ( AVBSFContext *  ctx )

static

Definition at line 39 of file pcm_rechunk_bsf.c.

uninit()

static void uninit ( AVBSFContext *  ctx )

static

Definition at line 67 of file pcm_rechunk_bsf.c.

flush()

static void flush ( AVBSFContext *  ctx )

static

Definition at line 74 of file pcm_rechunk_bsf.c.

send_packet()

static int send_packet ( PCMContext *  s, int  nb_samples, AVPacket *  pkt  )

static

Definition at line 82 of file pcm_rechunk_bsf.c.

Referenced by rechunk_filter().

drain_packet()

static void drain_packet ( AVPacket *  pkt, int  drain_data, int  drain_samples  )

static

Definition at line 89 of file pcm_rechunk_bsf.c.

Referenced by rechunk_filter().

get_next_nb_samples()

static int get_next_nb_samples ( AVBSFContext *  ctx )

static

Definition at line 99 of file pcm_rechunk_bsf.c.

Referenced by rechunk_filter().

rechunk_filter()

static int rechunk_filter ( AVBSFContext *  ctx, AVPacket *  pkt  )

static

Definition at line 110 of file pcm_rechunk_bsf.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "nb_out_samples", "set the number of per-packet output samples", OFFSET(nb_out_samples),   AV_OPT_TYPE_INT, {.i64=1024}, 1, INT_MAX, FLAGS },
    { "n",              "set the number of per-packet output samples", OFFSET(nb_out_samples),   AV_OPT_TYPE_INT, {.i64=1024}, 1, INT_MAX, FLAGS },
    { "pad",            "pad last packet with zeros",                  OFFSET(pad),             AV_OPT_TYPE_BOOL, {.i64=1} ,   0,       1, FLAGS },
    { "p",              "pad last packet with zeros",                  OFFSET(pad),             AV_OPT_TYPE_BOOL, {.i64=1} ,   0,       1, FLAGS },
    { "frame_rate",     "set number of packets per second",            OFFSET(frame_rate),  AV_OPT_TYPE_RATIONAL, {.dbl=0},    0, INT_MAX, FLAGS },
    { "r",              "set number of packets per second",            OFFSET(frame_rate),  AV_OPT_TYPE_RATIONAL, {.dbl=0},    0, INT_MAX, FLAGS },
    { NULL },
}

Definition at line 175 of file pcm_rechunk_bsf.c.

pcm_rechunk_class

const AVClass pcm_rechunk_class

static

Initial value:

= {
    .class_name = "pcm_rechunk_bsf",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 185 of file pcm_rechunk_bsf.c.

codec_ids

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_PCM_S16LE,
    AV_CODEC_ID_PCM_S16BE,
    AV_CODEC_ID_PCM_S8,
    AV_CODEC_ID_PCM_S32LE,
    AV_CODEC_ID_PCM_S32BE,
    AV_CODEC_ID_PCM_S24LE,
    AV_CODEC_ID_PCM_S24BE,
    AV_CODEC_ID_PCM_F32BE,
    AV_CODEC_ID_PCM_F32LE,
    AV_CODEC_ID_PCM_F64BE,
    AV_CODEC_ID_PCM_F64LE,
    AV_CODEC_ID_PCM_S64LE,
    AV_CODEC_ID_PCM_S64BE,
    AV_CODEC_ID_PCM_F16LE,
    AV_CODEC_ID_PCM_F24LE,
    AV_CODEC_ID_NONE,
}

Definition at line 185 of file pcm_rechunk_bsf.c.

ff_pcm_rechunk_bsf

const AVBitStreamFilter ff_pcm_rechunk_bsf

Initial value:

= {
    .name           = "pcm_rechunk",
    .priv_data_size = sizeof(PCMContext),
    .priv_class     = &pcm_rechunk_class,
    .filter         = rechunk_filter,
    .init           = init,
    .flush          = flush,
    .close          = uninit,
    .codec_ids      = codec_ids,
}

Definition at line 211 of file pcm_rechunk_bsf.c.