westwood_vqa.c File Reference

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

Go to the source code of this file.

Data Structures
struct	WsVqaDemuxContext

Macros
#define	FORM_TAG   MKBETAG('F', 'O', 'R', 'M')
#define	WVQA_TAG   MKBETAG('W', 'V', 'Q', 'A')
#define	VQHD_TAG   MKBETAG('V', 'Q', 'H', 'D')
#define	FINF_TAG   MKBETAG('F', 'I', 'N', 'F')
#define	SND0_TAG   MKBETAG('S', 'N', 'D', '0')
#define	SND1_TAG   MKBETAG('S', 'N', 'D', '1')
#define	SND2_TAG   MKBETAG('S', 'N', 'D', '2')
#define	VQFR_TAG   MKBETAG('V', 'Q', 'F', 'R')
#define	VQFL_TAG   MKBETAG('V', 'Q', 'F', 'L')
#define	CINF_TAG   MKBETAG('C', 'I', 'N', 'F')
#define	CINH_TAG   MKBETAG('C', 'I', 'N', 'H')
#define	CIND_TAG   MKBETAG('C', 'I', 'N', 'D')
#define	LINF_TAG   MKBETAG('L', 'I', 'N', 'F')
#define	PINF_TAG   MKBETAG('P', 'I', 'N', 'F')
#define	PINH_TAG   MKBETAG('P', 'I', 'N', 'H')
#define	PIND_TAG   MKBETAG('P', 'I', 'N', 'D')
#define	CMDS_TAG   MKBETAG('C', 'M', 'D', 'S')
#define	SN2J_TAG   MKBETAG('S', 'N', '2', 'J')
#define	VIEW_TAG   MKBETAG('V', 'I', 'E', 'W')
#define	ZBUF_TAG   MKBETAG('Z', 'B', 'U', 'F')
#define	VQA_HEADER_SIZE   0x2A
#define	VQA_PREAMBLE_SIZE   8

Functions
static int	wsvqa_probe (const AVProbeData *p)
static int	wsvqa_read_header (AVFormatContext *s)
static int	wsvqa_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
const AVInputFormat	ff_wsvqa_demuxer

Detailed Description

Westwood Studios VQA file demuxer by Mike Melanson (melan.nosp@m.son@.nosp@m.pcisy.nosp@m.s.ne.nosp@m.t) for more information on the Westwood file formats, visit: http://www.pcisys.net/~melanson/codecs/ http://www.geocities.com/SiliconValley/8682/aud3.txt

Definition in file westwood_vqa.c.

Macro Definition Documentation

FORM_TAG

#define FORM_TAG   MKBETAG('F', 'O', 'R', 'M')

Definition at line 38 of file westwood_vqa.c.

WVQA_TAG

#define WVQA_TAG   MKBETAG('W', 'V', 'Q', 'A')

Definition at line 39 of file westwood_vqa.c.

VQHD_TAG

#define VQHD_TAG   MKBETAG('V', 'Q', 'H', 'D')

Definition at line 40 of file westwood_vqa.c.

FINF_TAG

#define FINF_TAG   MKBETAG('F', 'I', 'N', 'F')

Definition at line 41 of file westwood_vqa.c.

SND0_TAG

#define SND0_TAG   MKBETAG('S', 'N', 'D', '0')

Definition at line 42 of file westwood_vqa.c.

SND1_TAG

#define SND1_TAG   MKBETAG('S', 'N', 'D', '1')

Definition at line 43 of file westwood_vqa.c.

SND2_TAG

#define SND2_TAG   MKBETAG('S', 'N', 'D', '2')

Definition at line 44 of file westwood_vqa.c.

VQFR_TAG

#define VQFR_TAG   MKBETAG('V', 'Q', 'F', 'R')

Definition at line 45 of file westwood_vqa.c.

VQFL_TAG

#define VQFL_TAG   MKBETAG('V', 'Q', 'F', 'L')

Definition at line 46 of file westwood_vqa.c.

CINF_TAG

#define CINF_TAG   MKBETAG('C', 'I', 'N', 'F')

Definition at line 49 of file westwood_vqa.c.

CINH_TAG

#define CINH_TAG   MKBETAG('C', 'I', 'N', 'H')

Definition at line 50 of file westwood_vqa.c.

CIND_TAG

#define CIND_TAG   MKBETAG('C', 'I', 'N', 'D')

Definition at line 51 of file westwood_vqa.c.

LINF_TAG

#define LINF_TAG   MKBETAG('L', 'I', 'N', 'F')

Definition at line 52 of file westwood_vqa.c.

PINF_TAG

#define PINF_TAG   MKBETAG('P', 'I', 'N', 'F')

Definition at line 53 of file westwood_vqa.c.

PINH_TAG

#define PINH_TAG   MKBETAG('P', 'I', 'N', 'H')

Definition at line 54 of file westwood_vqa.c.

PIND_TAG

#define PIND_TAG   MKBETAG('P', 'I', 'N', 'D')

Definition at line 55 of file westwood_vqa.c.

CMDS_TAG

#define CMDS_TAG   MKBETAG('C', 'M', 'D', 'S')

Definition at line 56 of file westwood_vqa.c.

SN2J_TAG

#define SN2J_TAG   MKBETAG('S', 'N', '2', 'J')

Definition at line 57 of file westwood_vqa.c.

VIEW_TAG

#define VIEW_TAG   MKBETAG('V', 'I', 'E', 'W')

Definition at line 58 of file westwood_vqa.c.

ZBUF_TAG

#define ZBUF_TAG   MKBETAG('Z', 'B', 'U', 'F')

Definition at line 59 of file westwood_vqa.c.

VQA_HEADER_SIZE

#define VQA_HEADER_SIZE   0x2A

Definition at line 61 of file westwood_vqa.c.

VQA_PREAMBLE_SIZE

#define VQA_PREAMBLE_SIZE   8

Definition at line 62 of file westwood_vqa.c.

Function Documentation

wsvqa_probe()

static int wsvqa_probe ( const AVProbeData *  p )

static

Definition at line 75 of file westwood_vqa.c.

wsvqa_read_header()

static int wsvqa_read_header ( AVFormatContext *  s )

static

Definition at line 89 of file westwood_vqa.c.

wsvqa_read_packet()

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

static

Definition at line 173 of file westwood_vqa.c.

Variable Documentation

ff_wsvqa_demuxer

const AVInputFormat ff_wsvqa_demuxer

Initial value:

= {
    .name           = "wsvqa",
    .long_name      = NULL_IF_CONFIG_SMALL("Westwood Studios VQA"),
    .priv_data_size = sizeof(WsVqaDemuxContext),
    .read_probe     = wsvqa_probe,
    .read_header    = wsvqa_read_header,
    .read_packet    = wsvqa_read_packet,
}

Definition at line 318 of file westwood_vqa.c.