libavformat/ipmovie.c File Reference

Interplay MVE file demuxer by Mike Melanson (melanson@pcisys.net) For more information regarding the Interplay MVE file format, visit: http://www.pcisys.net/~melanson/codecs/ The aforementioned site also contains a command line utility for parsing IP MVE files so that you can get a good idea of the typical structure of such files. More...

#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct IPMVEContext

Defines

#define CHUNK_PREAMBLE_SIZE   4

#define OPCODE_PREAMBLE_SIZE   4

#define CHUNK_INIT_AUDIO   0x0000

#define CHUNK_AUDIO_ONLY   0x0001

#define CHUNK_INIT_VIDEO   0x0002

#define CHUNK_VIDEO   0x0003

#define CHUNK_SHUTDOWN   0x0004

#define CHUNK_END   0x0005

#define CHUNK_DONE   0xFFFC

#define CHUNK_NOMEM   0xFFFD

#define CHUNK_EOF   0xFFFE

#define CHUNK_BAD   0xFFFF

#define OPCODE_END_OF_STREAM   0x00

#define OPCODE_END_OF_CHUNK   0x01

#define OPCODE_CREATE_TIMER   0x02

#define OPCODE_INIT_AUDIO_BUFFERS   0x03

#define OPCODE_START_STOP_AUDIO   0x04

#define OPCODE_INIT_VIDEO_BUFFERS   0x05

#define OPCODE_UNKNOWN_06   0x06

#define OPCODE_SEND_BUFFER   0x07

#define OPCODE_AUDIO_FRAME   0x08

#define OPCODE_SILENCE_FRAME   0x09

#define OPCODE_INIT_VIDEO_MODE   0x0A

#define OPCODE_CREATE_GRADIENT   0x0B

#define OPCODE_SET_PALETTE   0x0C

#define OPCODE_SET_PALETTE_COMPRESSED   0x0D

#define OPCODE_UNKNOWN_0E   0x0E

#define OPCODE_SET_DECODING_MAP   0x0F

#define OPCODE_UNKNOWN_10   0x10

#define OPCODE_VIDEO_DATA   0x11

#define OPCODE_UNKNOWN_12   0x12

#define OPCODE_UNKNOWN_13   0x13

#define OPCODE_UNKNOWN_14   0x14

#define OPCODE_UNKNOWN_15   0x15

#define PALETTE_COUNT   256

Functions

static int load_ipmovie_packet (IPMVEContext *s, AVIOContext *pb, AVPacket *pkt)

static int process_ipmovie_chunk (IPMVEContext *s, AVIOContext *pb, AVPacket *pkt)

static int ipmovie_probe (AVProbeData *p)

static int ipmovie_read_header (AVFormatContext *s)

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

Variables

static const char signature [] = "Interplay MVE File\x1A\0\x1A"

AVInputFormat ff_ipmovie_demuxer

Detailed Description

Interplay MVE file demuxer by Mike Melanson (melanson@pcisys.net) For more information regarding the Interplay MVE file format, visit: http://www.pcisys.net/~melanson/codecs/ The aforementioned site also contains a command line utility for parsing IP MVE files so that you can get a good idea of the typical structure of such files.

This demuxer is not the best example to use if you are trying to write your own as it uses a rather roundabout approach for splitting up and sending out the chunks.

Definition in file ipmovie.c.

Define Documentation

#define CHUNK_AUDIO_ONLY 0x0001

Definition at line 43 of file ipmovie.c.


Data Structures
struct	IPMVEContext
Defines
#define	CHUNK_PREAMBLE_SIZE 4
#define	OPCODE_PREAMBLE_SIZE 4
#define	CHUNK_INIT_AUDIO 0x0000
#define	CHUNK_AUDIO_ONLY 0x0001
#define	CHUNK_INIT_VIDEO 0x0002
#define	CHUNK_VIDEO 0x0003
#define	CHUNK_SHUTDOWN 0x0004
#define	CHUNK_END 0x0005
#define	CHUNK_DONE 0xFFFC
#define	CHUNK_NOMEM 0xFFFD
#define	CHUNK_EOF 0xFFFE
#define	CHUNK_BAD 0xFFFF
#define	OPCODE_END_OF_STREAM 0x00
#define	OPCODE_END_OF_CHUNK 0x01
#define	OPCODE_CREATE_TIMER 0x02
#define	OPCODE_INIT_AUDIO_BUFFERS 0x03
#define	OPCODE_START_STOP_AUDIO 0x04
#define	OPCODE_INIT_VIDEO_BUFFERS 0x05
#define	OPCODE_UNKNOWN_06 0x06
#define	OPCODE_SEND_BUFFER 0x07
#define	OPCODE_AUDIO_FRAME 0x08
#define	OPCODE_SILENCE_FRAME 0x09
#define	OPCODE_INIT_VIDEO_MODE 0x0A
#define	OPCODE_CREATE_GRADIENT 0x0B
#define	OPCODE_SET_PALETTE 0x0C
#define	OPCODE_SET_PALETTE_COMPRESSED 0x0D
#define	OPCODE_UNKNOWN_0E 0x0E
#define	OPCODE_SET_DECODING_MAP 0x0F
#define	OPCODE_UNKNOWN_10 0x10
#define	OPCODE_VIDEO_DATA 0x11
#define	OPCODE_UNKNOWN_12 0x12
#define	OPCODE_UNKNOWN_13 0x13
#define	OPCODE_UNKNOWN_14 0x14
#define	OPCODE_UNKNOWN_15 0x15
#define	PALETTE_COUNT 256
Functions
static int	load_ipmovie_packet (IPMVEContext s, AVIOContext pb, AVPacket *pkt)
static int	process_ipmovie_chunk (IPMVEContext s, AVIOContext pb, AVPacket *pkt)
static int	ipmovie_probe (AVProbeData *p)
static int	ipmovie_read_header (AVFormatContext *s)
static int	ipmovie_read_packet (AVFormatContext s, AVPacket pkt)
Variables
static const char	signature [] = "Interplay MVE File\x1A\0\x1A"
AVInputFormat	ff_ipmovie_demuxer

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

static int load_ipmovie_packet	(	IPMVEContext *	s,
		AVIOContext *	pb,
		AVPacket *	pkt
	)			`[static]`

static int process_ipmovie_chunk	(	IPMVEContext *	s,
		AVIOContext *	pb,
		AVPacket *	pkt
	)			`[static]`

libavformat/ipmovie.c File Reference

Data Structures

Defines

Functions

Variables

Detailed Description

Define Documentation

Function Documentation

Variable Documentation