h264_mp4toannexb.c File Reference

#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavcodec/bsf.h"
#include "libavcodec/bsf_internal.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/defs.h"
#include "libavcodec/h264.h"
#include "libavcodec/sei.h"

Go to the source code of this file.

Data Structures
struct	H264BSFContext

Macros
#define	LOG_ONCE(...)

Enumerations
enum	PsSource { PS_OUT_OF_BAND = -1 , PS_NONE = 0 , PS_IN_BAND = 1 }

Functions
static void	count_or_copy (uint8_t **out, uint64_t *out_size, const uint8_t *in, int in_size, enum PsSource ps, int copy)
static int	h264_extradata_to_annexb (AVBSFContext *ctx, const uint8_t *extradata, int extradata_size, uint8_t **out_extradata, int *out_extradata_size)
static int	h264_mp4toannexb_save_ps (uint8_t **dst, int *dst_size, unsigned *dst_buf_size, const uint8_t *nal, uint32_t nal_size, int first)
static int	h264_mp4toannexb_filter_ps (H264BSFContext *s, const uint8_t *buf, const uint8_t *buf_end)
static int	h264_mp4toannexb_init (AVBSFContext *ctx)
static int	h264_mp4toannexb_filter (AVBSFContext *ctx, AVPacket *opkt)
static void	h264_mp4toannexb_close (AVBSFContext *ctx)
static void	h264_mp4toannexb_flush (AVBSFContext *ctx)

Variables
static enum AVCodecID	codec_ids []
const FFBitStreamFilter	ff_h264_mp4toannexb_bsf

Macro Definition Documentation

LOG_ONCE

#define LOG_ONCE

(

...

)

Value:

    if (j) \
        av_log(__VA_ARGS__)

Referenced by h264_mp4toannexb_filter().

Enumeration Type Documentation

PsSource

enum PsSource

Enumerator
PS_OUT_OF_BAND
PS_NONE
PS_IN_BAND

Definition at line 49 of file h264_mp4toannexb.c.

Function Documentation

count_or_copy()

static void count_or_copy ( uint8_t ** out, uint64_t * out_size, const uint8_t * in, int in_size, enum PsSource ps, int copy )

static

Definition at line 55 of file h264_mp4toannexb.c.

Referenced by h264_mp4toannexb_filter().

h264_extradata_to_annexb()

static int h264_extradata_to_annexb ( AVBSFContext * ctx, const uint8_t * extradata, int extradata_size, uint8_t ** out_extradata, int * out_extradata_size )

static

Definition at line 84 of file h264_mp4toannexb.c.

Referenced by h264_mp4toannexb_filter(), and h264_mp4toannexb_init().

h264_mp4toannexb_save_ps()

static int h264_mp4toannexb_save_ps ( uint8_t ** dst, int * dst_size, unsigned * dst_buf_size, const uint8_t * nal, uint32_t nal_size, int first )

static

Definition at line 192 of file h264_mp4toannexb.c.

Referenced by h264_mp4toannexb_filter_ps().

h264_mp4toannexb_filter_ps()

static int h264_mp4toannexb_filter_ps ( H264BSFContext * s, const uint8_t * buf, const uint8_t * buf_end )

static

Definition at line 221 of file h264_mp4toannexb.c.

Referenced by h264_mp4toannexb_filter().

h264_mp4toannexb_init()

static int h264_mp4toannexb_init ( AVBSFContext * ctx )

static

Definition at line 264 of file h264_mp4toannexb.c.

h264_mp4toannexb_filter()

static int h264_mp4toannexb_filter ( AVBSFContext * ctx, AVPacket * opkt )

static

Definition at line 283 of file h264_mp4toannexb.c.

h264_mp4toannexb_close()

static void h264_mp4toannexb_close ( AVBSFContext * ctx )

static

Definition at line 450 of file h264_mp4toannexb.c.

h264_mp4toannexb_flush()

static void h264_mp4toannexb_flush ( AVBSFContext * ctx )

static

Definition at line 458 of file h264_mp4toannexb.c.

Variable Documentation

codec_ids

enum AVCodecID codec_ids[]

static

Initial value:

= {
    AV_CODEC_ID_H264, AV_CODEC_ID_NONE,
}

Definition at line 467 of file h264_mp4toannexb.c.

ff_h264_mp4toannexb_bsf

const FFBitStreamFilter ff_h264_mp4toannexb_bsf

Initial value:

= {
    .p.name         = "h264_mp4toannexb",
    .p.codec_ids    = codec_ids,
    .priv_data_size = sizeof(H264BSFContext),
    .init           = h264_mp4toannexb_init,
    .filter         = h264_mp4toannexb_filter,
    .close          = h264_mp4toannexb_close,
    .flush          = h264_mp4toannexb_flush,
}

Definition at line 471 of file h264_mp4toannexb.c.