electronicarts.c File Reference

#include <inttypes.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	VideoProperties
struct	EaDemuxContext

Macros
#define	SCHl_TAG   MKTAG('S', 'C', 'H', 'l')
#define	SEAD_TAG   MKTAG('S', 'E', 'A', 'D') /* Sxxx header */
#define	SNDC_TAG   MKTAG('S', 'N', 'D', 'C') /* Sxxx data */
#define	SEND_TAG   MKTAG('S', 'E', 'N', 'D') /* Sxxx end */
#define	SHEN_TAG   MKTAG('S', 'H', 'E', 'N') /* SxEN header */
#define	SDEN_TAG   MKTAG('S', 'D', 'E', 'N') /* SxEN data */
#define	SEEN_TAG   MKTAG('S', 'E', 'E', 'N') /* SxEN end */
#define	ISNh_TAG   MKTAG('1', 'S', 'N', 'h') /* 1SNx header */
#define	EACS_TAG   MKTAG('E', 'A', 'C', 'S')
#define	ISNd_TAG   MKTAG('1', 'S', 'N', 'd') /* 1SNx data */
#define	ISNe_TAG   MKTAG('1', 'S', 'N', 'e') /* 1SNx end */
#define	PT00_TAG   MKTAG('P', 'T', 0x0, 0x0)
#define	GSTR_TAG   MKTAG('G', 'S', 'T', 'R')
#define	SCDl_TAG   MKTAG('S', 'C', 'D', 'l')
#define	SCEl_TAG   MKTAG('S', 'C', 'E', 'l')
#define	kVGT_TAG   MKTAG('k', 'V', 'G', 'T') /* TGV I-frame */
#define	fVGT_TAG   MKTAG('f', 'V', 'G', 'T') /* TGV P-frame */
#define	mTCD_TAG   MKTAG('m', 'T', 'C', 'D') /* MDEC */
#define	MADk_TAG   MKTAG('M', 'A', 'D', 'k') /* MAD I-frame */
#define	MADm_TAG   MKTAG('M', 'A', 'D', 'm') /* MAD P-frame */
#define	MADe_TAG   MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */
#define	MPCh_TAG   MKTAG('M', 'P', 'C', 'h') /* MPEG-2 */
#define	TGQs_TAG   MKTAG('T', 'G', 'Q', 's') /* TGQ I-frame (appears in .TGQ files) */
#define	pQGT_TAG   MKTAG('p', 'Q', 'G', 'T') /* TGQ I-frame (appears in .UV files) */
#define	pIQT_TAG   MKTAG('p', 'I', 'Q', 'T') /* TQI/UV2 I-frame (.UV2/.WVE) */
#define	MVhd_TAG   MKTAG('M', 'V', 'h', 'd')
#define	MV0K_TAG   MKTAG('M', 'V', '0', 'K')
#define	MV0F_TAG   MKTAG('M', 'V', '0', 'F')
#define	AVhd_TAG   MKTAG('A', 'V', 'h', 'd')
#define	AV0K_TAG   MKTAG('A', 'V', '0', 'K')
#define	AV0F_TAG   MKTAG('A', 'V', '0', 'F')
#define	MVIh_TAG   MKTAG('M', 'V', 'I', 'h') /* CMV header */
#define	MVIf_TAG   MKTAG('M', 'V', 'I', 'f') /* CMV I-frame */
#define	AVP6_TAG   MKTAG('A', 'V', 'P', '6')
#define	OFFSET(x)   offsetof(EaDemuxContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Functions
static uint32_t	read_arbitrary (AVIOContext *pb)
static int	process_audio_header_elements (AVFormatContext *s)
static void	process_audio_header_eacs (AVFormatContext *s)
static void	process_audio_header_sead (AVFormatContext *s)
static void	process_video_header_mdec (AVFormatContext *s, VideoProperties *video)
static int	process_video_header_vp6 (AVFormatContext *s, VideoProperties *video)
static void	process_video_header_cmv (AVFormatContext *s, VideoProperties *video)
static int	process_ea_header (AVFormatContext *s)
static int	ea_probe (const AVProbeData *p)
static int	init_video_stream (AVFormatContext *s, VideoProperties *video)
static int	ea_read_header (AVFormatContext *s)
static int	ea_read_packet (AVFormatContext *s, AVPacket *pkt)

Variables
static const AVOption	options []
static const AVClass	ea_class
const AVInputFormat	ff_ea_demuxer

Detailed Description

Electronic Arts Multimedia file demuxer (WVE/UV2/etc.) by Robin Kay (komadori at gekkou.co.uk)

Definition in file electronicarts.c.

Macro Definition Documentation

SCHl_TAG

#define SCHl_TAG   MKTAG('S', 'C', 'H', 'l')

Definition at line 35 of file electronicarts.c.

SEAD_TAG

#define SEAD_TAG   MKTAG('S', 'E', 'A', 'D') /* Sxxx header */

Definition at line 36 of file electronicarts.c.

SNDC_TAG

#define SNDC_TAG   MKTAG('S', 'N', 'D', 'C') /* Sxxx data */

Definition at line 37 of file electronicarts.c.

SEND_TAG

#define SEND_TAG   MKTAG('S', 'E', 'N', 'D') /* Sxxx end */

Definition at line 38 of file electronicarts.c.

SHEN_TAG

#define SHEN_TAG   MKTAG('S', 'H', 'E', 'N') /* SxEN header */

Definition at line 39 of file electronicarts.c.

SDEN_TAG

#define SDEN_TAG   MKTAG('S', 'D', 'E', 'N') /* SxEN data */

Definition at line 40 of file electronicarts.c.

SEEN_TAG

#define SEEN_TAG   MKTAG('S', 'E', 'E', 'N') /* SxEN end */

Definition at line 41 of file electronicarts.c.

ISNh_TAG

#define ISNh_TAG   MKTAG('1', 'S', 'N', 'h') /* 1SNx header */

Definition at line 42 of file electronicarts.c.

EACS_TAG

#define EACS_TAG   MKTAG('E', 'A', 'C', 'S')

Definition at line 43 of file electronicarts.c.

ISNd_TAG

#define ISNd_TAG   MKTAG('1', 'S', 'N', 'd') /* 1SNx data */

Definition at line 44 of file electronicarts.c.

ISNe_TAG

#define ISNe_TAG   MKTAG('1', 'S', 'N', 'e') /* 1SNx end */

Definition at line 45 of file electronicarts.c.

PT00_TAG

#define PT00_TAG   MKTAG('P', 'T', 0x0, 0x0)

Definition at line 46 of file electronicarts.c.

GSTR_TAG

#define GSTR_TAG   MKTAG('G', 'S', 'T', 'R')

Definition at line 47 of file electronicarts.c.

SCDl_TAG

#define SCDl_TAG   MKTAG('S', 'C', 'D', 'l')

Definition at line 48 of file electronicarts.c.

SCEl_TAG

#define SCEl_TAG   MKTAG('S', 'C', 'E', 'l')

Definition at line 49 of file electronicarts.c.

kVGT_TAG

#define kVGT_TAG   MKTAG('k', 'V', 'G', 'T') /* TGV I-frame */

Definition at line 50 of file electronicarts.c.

fVGT_TAG

#define fVGT_TAG   MKTAG('f', 'V', 'G', 'T') /* TGV P-frame */

Definition at line 51 of file electronicarts.c.

mTCD_TAG

#define mTCD_TAG   MKTAG('m', 'T', 'C', 'D') /* MDEC */

Definition at line 52 of file electronicarts.c.

MADk_TAG

#define MADk_TAG   MKTAG('M', 'A', 'D', 'k') /* MAD I-frame */

Definition at line 53 of file electronicarts.c.

MADm_TAG

#define MADm_TAG   MKTAG('M', 'A', 'D', 'm') /* MAD P-frame */

Definition at line 54 of file electronicarts.c.

MADe_TAG

#define MADe_TAG   MKTAG('M', 'A', 'D', 'e') /* MAD lqp-frame */

Definition at line 55 of file electronicarts.c.

MPCh_TAG

#define MPCh_TAG   MKTAG('M', 'P', 'C', 'h') /* MPEG-2 */

Definition at line 56 of file electronicarts.c.

TGQs_TAG

#define TGQs_TAG   MKTAG('T', 'G', 'Q', 's') /* TGQ I-frame (appears in .TGQ files) */

Definition at line 57 of file electronicarts.c.

pQGT_TAG

#define pQGT_TAG   MKTAG('p', 'Q', 'G', 'T') /* TGQ I-frame (appears in .UV files) */

Definition at line 58 of file electronicarts.c.

pIQT_TAG

#define pIQT_TAG   MKTAG('p', 'I', 'Q', 'T') /* TQI/UV2 I-frame (.UV2/.WVE) */

Definition at line 59 of file electronicarts.c.

MVhd_TAG

#define MVhd_TAG   MKTAG('M', 'V', 'h', 'd')

Definition at line 60 of file electronicarts.c.

MV0K_TAG

#define MV0K_TAG   MKTAG('M', 'V', '0', 'K')

Definition at line 61 of file electronicarts.c.

MV0F_TAG

#define MV0F_TAG   MKTAG('M', 'V', '0', 'F')

Definition at line 62 of file electronicarts.c.

AVhd_TAG

#define AVhd_TAG   MKTAG('A', 'V', 'h', 'd')

Definition at line 63 of file electronicarts.c.

AV0K_TAG

#define AV0K_TAG   MKTAG('A', 'V', '0', 'K')

Definition at line 64 of file electronicarts.c.

AV0F_TAG

#define AV0F_TAG   MKTAG('A', 'V', '0', 'F')

Definition at line 65 of file electronicarts.c.

MVIh_TAG

#define MVIh_TAG   MKTAG('M', 'V', 'I', 'h') /* CMV header */

Definition at line 66 of file electronicarts.c.

MVIf_TAG

#define MVIf_TAG   MKTAG('M', 'V', 'I', 'f') /* CMV I-frame */

Definition at line 67 of file electronicarts.c.

AVP6_TAG

#define AVP6_TAG   MKTAG('A', 'V', 'P', '6')

Definition at line 68 of file electronicarts.c.

OFFSET

#define OFFSET

(

x

)

offsetof(EaDemuxContext, x)

Definition at line 772 of file electronicarts.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 773 of file electronicarts.c.

Function Documentation

read_arbitrary()

static uint32_t read_arbitrary ( AVIOContext *  pb )

static

Definition at line 97 of file electronicarts.c.

Referenced by process_audio_header_elements().

process_audio_header_elements()

static int process_audio_header_elements ( AVFormatContext *  s )

static

Definition at line 115 of file electronicarts.c.

Referenced by process_ea_header().

process_audio_header_eacs()

static void process_audio_header_eacs ( AVFormatContext *  s )

static

Definition at line 273 of file electronicarts.c.

Referenced by process_ea_header().

process_audio_header_sead()

static void process_audio_header_sead ( AVFormatContext *  s )

static

Definition at line 310 of file electronicarts.c.

Referenced by process_ea_header().

process_video_header_mdec()

static void process_video_header_mdec ( AVFormatContext *  s, VideoProperties *  video  )

static

Definition at line 321 of file electronicarts.c.

Referenced by process_ea_header().

process_video_header_vp6()

static int process_video_header_vp6 ( AVFormatContext *  s, VideoProperties *  video  )

static

Definition at line 331 of file electronicarts.c.

Referenced by process_ea_header().

process_video_header_cmv()

static void process_video_header_cmv ( AVFormatContext *  s, VideoProperties *  video  )

static

Definition at line 349 of file electronicarts.c.

Referenced by process_ea_header().

process_ea_header()

static int process_ea_header ( AVFormatContext *  s )

static

Definition at line 362 of file electronicarts.c.

Referenced by ea_read_header().

ea_probe()

static int ea_probe ( const AVProbeData *  p )

static

Definition at line 469 of file electronicarts.c.

init_video_stream()

static int init_video_stream ( AVFormatContext *  s, VideoProperties *  video  )

static

Definition at line 498 of file electronicarts.c.

Referenced by ea_read_header().

ea_read_header()

static int ea_read_header ( AVFormatContext *  s )

static

Definition at line 526 of file electronicarts.c.

ea_read_packet()

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

static

Definition at line 582 of file electronicarts.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    {"merge_alpha", "return VP6 alpha in the main video stream", OFFSET(merge_alpha), AV_OPT_TYPE_BOOL,  {.i64 = 0}, 0, 1, FLAGS },
    {NULL}
}

Definition at line 774 of file electronicarts.c.

ea_class

const AVClass ea_class

static

Initial value:

= {
    .class_name = "ea demuxer",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 779 of file electronicarts.c.

ff_ea_demuxer

const AVInputFormat ff_ea_demuxer

Initial value:

= {
    .name           = "ea",
    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts Multimedia"),
    .priv_data_size = sizeof(EaDemuxContext),
    .read_probe     = ea_probe,
    .read_header    = ea_read_header,
    .read_packet    = ea_read_packet,
    .priv_class     = &ea_class,
}

Definition at line 786 of file electronicarts.c.