libavcodec/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"

Go to the source code of this file.

Data Structures

struct  TgqContext

Defines

#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 void 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 *data_size, 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@xvid.org>
Technical details here: http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TGQ

Definition in file eatgq.c.


Define Documentation

#define BITSTREAM_READER_LE

Definition at line 32 of file eatgq.c.


Function Documentation

static void tgq_calculate_qtable ( TgqContext s,
int  quant 
) [static]

Definition at line 176 of file eatgq.c.

Referenced by tgq_decode_frame().

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

Definition at line 121 of file eatgq.c.

Referenced by tgq_idct_put_mb_dconly().

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

Definition at line 60 of file eatgq.c.

Referenced by tgq_decode_mb().

static av_cold int tgq_decode_end ( AVCodecContext avctx  )  [static]

Definition at line 235 of file eatgq.c.

static int tgq_decode_frame ( AVCodecContext avctx,
void *  data,
int data_size,
AVPacket avpkt 
) [static]

Definition at line 185 of file eatgq.c.

static av_cold int tgq_decode_init ( AVCodecContext avctx  )  [static]

Definition at line 49 of file eatgq.c.

static void tgq_decode_mb ( TgqContext s,
int  mb_y,
int  mb_x 
) [static]

Definition at line 144 of file eatgq.c.

Referenced by tgq_decode_frame().

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

Definition at line 105 of file eatgq.c.

Referenced by tgq_decode_mb().

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

Definition at line 128 of file eatgq.c.

Referenced by tgq_decode_mb().


Variable Documentation

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 242 of file eatgq.c.


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