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mm.c File Reference

American Laser Games MM Format Demuxer by Peter Ross (pross.nosp@m.@xvi.nosp@m.d.org) More...

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

Go to the source code of this file.

Data Structures

struct  MmDemuxContext
 

Macros

#define MM_PREAMBLE_SIZE   6
 
#define MM_TYPE_HEADER   0x0
 
#define MM_TYPE_INTER   0x5
 
#define MM_TYPE_INTRA   0x8
 
#define MM_TYPE_INTRA_HH   0xc
 
#define MM_TYPE_INTER_HH   0xd
 
#define MM_TYPE_INTRA_HHV   0xe
 
#define MM_TYPE_INTER_HHV   0xf
 
#define MM_TYPE_AUDIO   0x15
 
#define MM_TYPE_PALETTE   0x31
 
#define MM_HEADER_LEN_V   0x16 /* video only */
 
#define MM_HEADER_LEN_AV   0x18 /* video + audio */
 
#define MM_PALETTE_COUNT   128
 
#define MM_PALETTE_SIZE   (MM_PALETTE_COUNT*3)
 

Functions

static int probe (AVProbeData *p)
 
static int read_header (AVFormatContext *s)
 
static int read_packet (AVFormatContext *s, AVPacket *pkt)
 

Variables

AVInputFormat ff_mm_demuxer
 

Detailed Description

American Laser Games MM Format Demuxer by Peter Ross (pross.nosp@m.@xvi.nosp@m.d.org)

The MM format was used by IBM-PC ports of ALG's "arcade shooter" games, including Mad Dog McCree and Crime Patrol.

Technical details here: http://wiki.multimedia.cx/index.php?title=American_Laser_Games_MM

Definition in file mm.c.

Macro Definition Documentation

#define MM_PREAMBLE_SIZE   6

Definition at line 39 of file mm.c.

Referenced by probe(), and read_packet().

#define MM_TYPE_HEADER   0x0

Definition at line 41 of file mm.c.

Referenced by probe(), and read_header().

#define MM_TYPE_INTER   0x5

Definition at line 42 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_INTRA   0x8

Definition at line 43 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_INTRA_HH   0xc

Definition at line 44 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_INTER_HH   0xd

Definition at line 45 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_INTRA_HHV   0xe

Definition at line 46 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_INTER_HHV   0xf

Definition at line 47 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_AUDIO   0x15

Definition at line 48 of file mm.c.

Referenced by read_packet().

#define MM_TYPE_PALETTE   0x31

Definition at line 49 of file mm.c.

Referenced by read_packet().

#define MM_HEADER_LEN_V   0x16 /* video only */

Definition at line 51 of file mm.c.

Referenced by probe().

#define MM_HEADER_LEN_AV   0x18 /* video + audio */

Definition at line 52 of file mm.c.

Referenced by probe(), and read_header().

#define MM_PALETTE_COUNT   128

Definition at line 54 of file mm.c.

#define MM_PALETTE_SIZE   (MM_PALETTE_COUNT*3)

Definition at line 55 of file mm.c.

Function Documentation

static int probe ( AVProbeData p)
static

Definition at line 61 of file mm.c.

static int read_header ( AVFormatContext s)
static

Definition at line 85 of file mm.c.

static int read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 138 of file mm.c.

Variable Documentation

AVInputFormat ff_mm_demuxer
Initial value:
= {
.name = "mm",
.long_name = NULL_IF_CONFIG_SMALL("American Laser Games MM"),
.priv_data_size = sizeof(MmDemuxContext),
}
static int read_header(AVFormatContext *s)
Definition: mm.c:85
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:180
static int read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: mm.c:138
static int read_probe(AVProbeData *pd)
Definition: jvdec.c:55
static int probe(AVProbeData *p)
Definition: mm.c:61

Definition at line 190 of file mm.c.