libavformat/oggenc.c File Reference

#include "libavutil/crc.h"
#include "libavcodec/xiph.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/flac.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	OGGStreamContext
Functions
static void	ogg_update_checksum (AVFormatContext *s, int64_t crc_offset)
static int	ogg_write_page (AVFormatContext *s, const uint8_t *data, int size, int64_t granule, int stream_index, int flags)
static int	ogg_build_flac_headers (AVCodecContext *avctx, OGGStreamContext *oggstream, int bitexact)
static int	ogg_write_header (AVFormatContext *s)
static int	ogg_write_packet (AVFormatContext *s, AVPacket *pkt)
static int	ogg_compare_granule (AVFormatContext *s, AVPacket *next, AVPacket *pkt)
static int	ogg_interleave_per_granule (AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
static int	ogg_write_trailer (AVFormatContext *s)
Variables
AVOutputFormat	ogg_muxer

---

Function Documentation

static int ogg_build_flac_headers	(	AVCodecContext *	avctx,
		OGGStreamContext *	oggstream,
		int	bitexact
	)			[static]

Definition at line 86 of file oggenc.c.

Referenced by ogg_write_header().

static int ogg_compare_granule	(	AVFormatContext *	s,
		AVPacket *	next,
		AVPacket *	pkt
	)			[static]

Definition at line 209 of file oggenc.c.

Referenced by ogg_interleave_per_granule().

static int ogg_interleave_per_granule	(	AVFormatContext *	s,
		AVPacket *	out,
		AVPacket *	pkt,
		int	flush
	)			[static]

Definition at line 221 of file oggenc.c.

static void ogg_update_checksum	(	AVFormatContext *	s,
		int64_t	crc_offset
	)			[static]

Definition at line 41 of file oggenc.c.

Referenced by ogg_write_page().

static int ogg_write_header

(

AVFormatContext *

s

)

[static]

KFGSHIFT is the width of the less significant section of the granule position The less significant section is the frame count since the last keyframe

Definition at line 118 of file oggenc.c.

static int ogg_write_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)			[static]

Definition at line 178 of file oggenc.c.

static int ogg_write_page	(	AVFormatContext *	s,
		const uint8_t *	data,
		int	size,
		int64_t	granule,
		int	stream_index,
		int	flags
	)			[static]

Definition at line 50 of file oggenc.c.

Referenced by ogg_write_header(), and ogg_write_packet().

static int ogg_write_trailer

(

AVFormatContext *

s

)

[static]

Definition at line 260 of file oggenc.c.

---

Variable Documentation

AVOutputFormat ogg_muxer

Initial value:

 {
    "ogg",
    NULL_IF_CONFIG_SMALL("Ogg"),
    "application/ogg",
    "ogg,ogv",
    0,
    CODEC_ID_FLAC,
    CODEC_ID_THEORA,
    ogg_write_header,
    ogg_write_packet,
    ogg_write_trailer,
    .interleave_packet = ogg_interleave_per_granule,
}

Definition at line 275 of file oggenc.c.