eatgv.c File Reference

#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	TgvContext

Macros
#define	BITSTREAM_READER_LE
#define	EA_PREAMBLE_SIZE   8
#define	kVGT_TAG   MKTAG('k', 'V', 'G', 'T')

Functions
static av_cold int	tgv_decode_init (AVCodecContext *avctx)
static int	unpack (const uint8_t *src, const uint8_t *src_end, uint8_t *dst, int width, int height)
	Unpack buffer. More...
static int	tgv_decode_inter (TgvContext *s, AVFrame *frame, const uint8_t *buf, const uint8_t *buf_end)
	Decode inter-frame. More...
static int	tgv_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	tgv_decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_eatgv_decoder

Detailed Description

Electronic Arts TGV Video Decoder by Peter Ross (pross.nosp@m.@xvi.nosp@m.d.org)

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

Definition in file eatgv.c.

Macro Definition Documentation

BITSTREAM_READER_LE

#define BITSTREAM_READER_LE

Definition at line 34 of file eatgv.c.

EA_PREAMBLE_SIZE

#define EA_PREAMBLE_SIZE   8

Definition at line 39 of file eatgv.c.

kVGT_TAG

#define kVGT_TAG   MKTAG('k', 'V', 'G', 'T')

Definition at line 40 of file eatgv.c.

Function Documentation

tgv_decode_init()

static av_cold int tgv_decode_init ( AVCodecContext *  avctx )

static

Definition at line 55 of file eatgv.c.

unpack()

static int unpack ( const uint8_t *  src, const uint8_t *  src_end, uint8_t *  dst, int  width, int  height  )

static

Unpack buffer.

Returns

0 on success, -1 on critical buffer underflow

Definition at line 73 of file eatgv.c.

Referenced by tgv_decode_frame().

tgv_decode_inter()

static int tgv_decode_inter ( TgvContext *  s, AVFrame *  frame, const uint8_t *  buf, const uint8_t *  buf_end  )

static

Decode inter-frame.

Returns

0 on success, -1 on critical buffer underflow

Definition at line 148 of file eatgv.c.

Referenced by tgv_decode_frame().

tgv_decode_frame()

static int tgv_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 264 of file eatgv.c.

tgv_decode_end()

static av_cold int tgv_decode_end ( AVCodecContext *  avctx )

static

Definition at line 352 of file eatgv.c.

Variable Documentation

ff_eatgv_decoder

AVCodec ff_eatgv_decoder

Initial value:

= {
    .name           = "eatgv",
    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts TGV video"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_TGV,
    .priv_data_size = sizeof(TgvContext),
    .init           = tgv_decode_init,
    .close          = tgv_decode_end,
    .decode         = tgv_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 362 of file eatgv.c.