avienc.c File Reference

#include <math.h>
#include "avformat.h"
#include "internal.h"
#include "avi.h"
#include "avio_internal.h"
#include "libavutil/attributes.h"
#include "riff.h"
#include "mpegts.h"
#include "mux.h"
#include "rawutils.h"
#include "libavformat/avlanguage.h"
#include "libavutil/avstring.h"
#include "libavutil/avutil.h"
#include "libavutil/internal.h"
#include "libavutil/dict.h"
#include "libavutil/avassert.h"
#include "libavutil/mem.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)
#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)
static void	avi_deinit (AVFormatContext *s)

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

Macro Definition Documentation

AVI_INDEX_CLUSTER_SIZE

#define AVI_INDEX_CLUSTER_SIZE   16384

Definition at line 57 of file avienc.c.

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

AVI_MASTER_INDEX_PREFIX_SIZE

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

Definition at line 58 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 59 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 60 of file avienc.c.

Referenced by avi_init().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(AVIContext, x)

Definition at line 994 of file avienc.c.

ENC

#define ENC   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 995 of file avienc.c.

Function Documentation

avi_write_packet_internal()

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

static

Definition at line 863 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 104 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 111 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 148 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 163 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 184 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 203 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 236 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 261 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 600 of file avienc.c.

Referenced by avi_write_ix().

avi_write_ix()

static int avi_write_ix ( AVFormatContext * s )

static

Definition at line 632 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 690 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 745 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 768 of file avienc.c.

avi_write_trailer()

static int avi_write_trailer ( AVFormatContext * s )

static

Definition at line 914 of file avienc.c.

avi_deinit()

static void avi_deinit ( AVFormatContext * s )

static

Definition at line 981 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 },
    { "flipped_raw_rgb", "Raw RGB bitmaps are stored bottom-up", OFFSET(flipped_raw_rgb), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
    { NULL },
}

Definition at line 996 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 1003 of file avienc.c.

ff_avi_muxer

const FFOutputFormat ff_avi_muxer

Initial value:

= {
    .p.name         = "avi",
    .p.long_name    = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
    .p.mime_type    = "video/x-msvideo",
    .p.extensions   = "avi",
    .priv_data_size = sizeof(AVIContext),
    .p.audio_codec  = CONFIG_LIBMP3LAME ? AV_CODEC_ID_MP3 : AV_CODEC_ID_AC3,
    .p.video_codec  = AV_CODEC_ID_MPEG4,
    .init           = avi_init,
    .deinit         = avi_deinit,
    .write_header   = avi_write_header,
    .write_packet   = avi_write_packet,
    .write_trailer  = avi_write_trailer,
    .p.codec_tag    = ff_riff_codec_tags_list,
    .p.priv_class   = &avi_muxer_class,
}

Definition at line 1010 of file avienc.c.