eatgq.c File Reference

Electronic Arts TGQ Video Decoder. More...

#include "avcodec.h"
#include "get_bits.h"
#include "bytestream.h"
#include "dsputil.h"
#include "aandcttab.h"
#include "eaidct.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	TgqContext

Macros
#define	BITSTREAM_READER_LE

Functions
static av_cold int	tgq_decode_init (AVCodecContext *avctx)
static void	tgq_decode_block (TgqContext *s, DCTELEM block[64], GetBitContext *gb)
static void	tgq_idct_put_mb (TgqContext *s, DCTELEM(*block)[64], int mb_x, int mb_y)
static void	tgq_dconly (TgqContext *s, unsigned char *dst, int dst_stride, int dc)
static void	tgq_idct_put_mb_dconly (TgqContext *s, int mb_x, int mb_y, const int8_t *dc)
static int	tgq_decode_mb (TgqContext *s, int mb_y, int mb_x)
static void	tgq_calculate_qtable (TgqContext *s, int quant)
static int	tgq_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	tgq_decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_eatgq_decoder

Detailed Description

Electronic Arts TGQ Video Decoder.

Author

Peter Ross pross.nosp@m.@xvi.nosp@m.d.org

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

Definition in file eatgq.c.

Macro Definition Documentation

#define BITSTREAM_READER_LE

Definition at line 32 of file eatgq.c.

Function Documentation

static av_cold int tgq_decode_init ( AVCodecContext *  avctx )

static

Definition at line 50 of file eatgq.c.

static void tgq_decode_block ( TgqContext *  s, DCTELEM  block[64], GetBitContext *  gb  )

static

Definition at line 61 of file eatgq.c.

Referenced by tgq_decode_mb().

static void tgq_idct_put_mb ( TgqContext *  s, DCTELEM(*)  block[64], int  mb_x, int  mb_y  )

static

Definition at line 106 of file eatgq.c.

Referenced by tgq_decode_mb().

static void tgq_dconly ( TgqContext *  s, unsigned char *  dst, int  dst_stride, int  dc  )

inlinestatic

Definition at line 122 of file eatgq.c.

Referenced by tgq_idct_put_mb_dconly().

static void tgq_idct_put_mb_dconly ( TgqContext *  s, int  mb_x, int  mb_y, const int8_t *  dc  )

static

Definition at line 129 of file eatgq.c.

Referenced by tgq_decode_mb().

static int tgq_decode_mb ( TgqContext *  s, int  mb_y, int  mb_x  )

static

Returns

<0 on error

Definition at line 148 of file eatgq.c.

Referenced by tgq_decode_frame().

static void tgq_calculate_qtable ( TgqContext *  s, int  quant  )

static

Definition at line 182 of file eatgq.c.

Referenced by tgq_decode_frame().

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

static

Definition at line 191 of file eatgq.c.

static av_cold int tgq_decode_end ( AVCodecContext *  avctx )

static

Definition at line 243 of file eatgq.c.

Variable Documentation

AVCodec ff_eatgq_decoder

Initial value:

= {
    .name           = "eatgq",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_TGQ,
    .priv_data_size = sizeof(TgqContext),
    .init           = tgq_decode_init,
    .close          = tgq_decode_end,
    .decode         = tgq_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts TGQ video"),
}

Definition at line 250 of file eatgq.c.