avienc.c File Reference

#include <math.h>
#include "avformat.h"
#include "internal.h"
#include "avi.h"
#include "avio_internal.h"
#include "riff.h"
#include "mpegts.h"
#include "libavformat/avlanguage.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/avassert.h"
#include "libavutil/timestamp.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavcodec/raw.h"

Go to the source code of this file.

Data Structures
struct	AVIIentry
struct	AVIIndex
struct	AVIContext
struct	AVIStream

Macros
#define	AVI_INDEX_CLUSTER_SIZE   16384
#define	AVI_MASTER_INDEX_PREFIX_SIZE   (8+2+1+1+4+8+4+4)
#define	AVI_MASTER_INDEX_ENTRY_SIZE   16 /* bytes per entry */
#define	AVI_MASTER_INDEX_SIZE_DEFAULT   256 /* number of entries */
#define	OFFSET(x)   offsetof(AVIContext, x)
#define	ENC   AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	avi_write_packet_internal (AVFormatContext *s, AVPacket *pkt)
static AVIIentry *	avi_get_ientry (const AVIIndex *idx, int ent_id)
static int	avi_add_ientry (AVFormatContext *s, int stream_index, char *tag, unsigned int flags, unsigned int size)
static av_cold int	avi_init (struct AVFormatContext *s)
static int64_t	avi_start_new_riff (AVFormatContext *s, AVIOContext *pb, const char *riff_tag, const char *list_tag)
static char *	avi_stream2fourcc (char *tag, int index, enum AVMediaType type)
static int	avi_write_counters (AVFormatContext *s, int riff_id)
static void	write_odml_master (AVFormatContext *s, int stream_index)
static int	avi_write_header (AVFormatContext *s)
static void	update_odml_entry (AVFormatContext *s, int stream_index, int64_t ix, int size)
static int	avi_write_ix (AVFormatContext *s)
static int	avi_write_idx1 (AVFormatContext *s)
static int	write_skip_frames (AVFormatContext *s, int stream_index, int64_t dts)
static int	avi_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	avi_write_trailer (AVFormatContext *s)

Variables
static const AVOption	options []
static const AVClass	avi_muxer_class
AVOutputFormat	ff_avi_muxer

Macro Definition Documentation

AVI_INDEX_CLUSTER_SIZE

#define AVI_INDEX_CLUSTER_SIZE   16384

Definition at line 54 of file avienc.c.

Referenced by avi_add_ientry(), avi_get_ientry(), and avi_write_trailer().

AVI_MASTER_INDEX_PREFIX_SIZE

#define AVI_MASTER_INDEX_PREFIX_SIZE   (8+2+1+1+4+8+4+4)

Definition at line 55 of file avienc.c.

Referenced by avi_init(), avi_write_ix(), and avi_write_trailer().

AVI_MASTER_INDEX_ENTRY_SIZE

#define AVI_MASTER_INDEX_ENTRY_SIZE   16 /* bytes per entry */

Definition at line 56 of file avienc.c.

Referenced by avi_init(), avi_write_ix(), and avi_write_trailer().

AVI_MASTER_INDEX_SIZE_DEFAULT

#define AVI_MASTER_INDEX_SIZE_DEFAULT   256 /* number of entries */

Definition at line 57 of file avienc.c.

Referenced by avi_init().

OFFSET

#define OFFSET

(

x

)

offsetof(AVIContext, x)

Definition at line 978 of file avienc.c.

ENC

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 979 of file avienc.c.

Function Documentation

avi_write_packet_internal()

static int avi_write_packet_internal ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 856 of file avienc.c.

Referenced by avi_write_packet(), and write_skip_frames().

avi_get_ientry()

static AVIIentry* avi_get_ientry ( const AVIIndex *  idx, int  ent_id  )

inlinestatic

Definition at line 99 of file avienc.c.

Referenced by avi_write_idx1(), and avi_write_ix().

avi_add_ientry()

static int avi_add_ientry ( AVFormatContext *  s, int  stream_index, char *  tag, unsigned int  flags, unsigned int  size  )

static

Definition at line 106 of file avienc.c.

Referenced by avi_write_packet(), and avi_write_packet_internal().

avi_init()

static av_cold int avi_init ( struct AVFormatContext *  s )

static

Definition at line 143 of file avienc.c.

avi_start_new_riff()

static int64_t avi_start_new_riff ( AVFormatContext *  s, AVIOContext *  pb, const char *  riff_tag, const char *  list_tag  )

static

Definition at line 158 of file avienc.c.

Referenced by avi_write_header(), and avi_write_packet_internal().

avi_stream2fourcc()

static char* avi_stream2fourcc ( char *  tag, int  index, enum AVMediaType  type  )

static

Definition at line 179 of file avienc.c.

Referenced by avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_packet_internal(), and write_odml_master().

avi_write_counters()

static int avi_write_counters ( AVFormatContext *  s, int  riff_id  )

static

Definition at line 198 of file avienc.c.

Referenced by avi_write_idx1(), and avi_write_trailer().

write_odml_master()

static void write_odml_master ( AVFormatContext *  s, int  stream_index  )

static

Definition at line 231 of file avienc.c.

Referenced by avi_write_header(), and avi_write_ix().

avi_write_header()

static int avi_write_header ( AVFormatContext *  s )

static

Definition at line 259 of file avienc.c.

update_odml_entry()

static void update_odml_entry ( AVFormatContext *  s, int  stream_index, int64_t  ix, int  size  )

static

Definition at line 589 of file avienc.c.

Referenced by avi_write_ix().

avi_write_ix()

static int avi_write_ix ( AVFormatContext *  s )

static

Definition at line 622 of file avienc.c.

Referenced by avi_write_packet_internal(), and avi_write_trailer().

avi_write_idx1()

static int avi_write_idx1 ( AVFormatContext *  s )

static

Definition at line 680 of file avienc.c.

Referenced by avi_write_packet_internal(), and avi_write_trailer().

write_skip_frames()

static int write_skip_frames ( AVFormatContext *  s, int  stream_index, int64_t  dts  )

static

Definition at line 735 of file avienc.c.

Referenced by avi_write_packet(), and avi_write_trailer().

avi_write_packet()

static int avi_write_packet ( AVFormatContext *  s, AVPacket *  pkt  )

static

Definition at line 761 of file avienc.c.

avi_write_trailer()

static int avi_write_trailer ( AVFormatContext *  s )

static

Definition at line 907 of file avienc.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "reserve_index_space", "reserve space (in bytes) at the beginning of the file for each stream index", OFFSET(reserve_index_space), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, ENC },
    { "write_channel_mask", "write channel mask into wave format header", OFFSET(write_channel_mask), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, ENC },
    { NULL },
}

Definition at line 980 of file avienc.c.

avi_muxer_class

const AVClass avi_muxer_class

static

Initial value:

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

Definition at line 986 of file avienc.c.

ff_avi_muxer

AVOutputFormat ff_avi_muxer

Initial value:

= {
    .name           = "avi",
    .long_name      = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
    .mime_type      = "video/x-msvideo",
    .extensions     = "avi",
    .priv_data_size = sizeof(AVIContext),
    .audio_codec    = CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_AC3,
    .video_codec    = AV_CODEC_ID_MPEG4,
    .init           = avi_init,
    .write_header   = avi_write_header,
    .write_packet   = avi_write_packet,
    .write_trailer  = avi_write_trailer,
    .codec_tag      = (const AVCodecTag * const []) {
        ff_codec_bmp_tags, ff_codec_wav_tags, 0
    },
    .priv_class     = &avi_muxer_class,
}

Definition at line 993 of file avienc.c.