eatgq.c File Reference

Electronic Arts TGQ Video Decoder. More...

#include "libavutil/attributes.h"
#include "libavutil/mem_internal.h"
#include "aandcttab.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "copy_block.h"
#include "decode.h"
#include "eaidct.h"
#include "get_bits.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 int	tgq_decode_block (TgqContext *s, int16_t block[64], GetBitContext *gb)
static void	tgq_idct_put_mb (TgqContext *s, int16_t(*block)[64], AVFrame *frame, int mb_x, int mb_y)
static void	tgq_dconly (TgqContext *s, unsigned char *dst, ptrdiff_t dst_stride, int dc)
static void	tgq_idct_put_mb_dconly (TgqContext *s, AVFrame *frame, int mb_x, int mb_y, const int8_t *dc)
static int	tgq_decode_mb (TgqContext *s, GetByteContext *gbyte, AVFrame *frame, int mb_y, int mb_x)
static void	tgq_calculate_qtable (TgqContext *s, int quant)
static int	tgq_decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
static av_cold int	tgq_decode_close (AVCodecContext *avctx)

Variables
const FFCodec	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

BITSTREAM_READER_LE

#define BITSTREAM_READER_LE

Definition at line 32 of file eatgq.c.

Function Documentation

tgq_decode_init()

static av_cold int tgq_decode_init ( AVCodecContext * avctx )

static

Definition at line 53 of file eatgq.c.

tgq_decode_block()

static int tgq_decode_block ( TgqContext * s, int16_t block[64], GetBitContext * gb )

static

Definition at line 65 of file eatgq.c.

Referenced by tgq_decode_mb().

tgq_idct_put_mb()

static void tgq_idct_put_mb ( TgqContext * s, int16_t(*) block[64], AVFrame * frame, int mb_x, int mb_y )

static

Definition at line 117 of file eatgq.c.

Referenced by tgq_decode_mb().

tgq_dconly()

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

inlinestatic

Definition at line 135 of file eatgq.c.

Referenced by tgq_idct_put_mb_dconly().

tgq_idct_put_mb_dconly()

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

static

Definition at line 144 of file eatgq.c.

Referenced by tgq_decode_mb().

tgq_decode_mb()

static int tgq_decode_mb ( TgqContext * s, GetByteContext * gbyte, AVFrame * frame, int mb_y, int mb_x )

static

Definition at line 161 of file eatgq.c.

Referenced by tgq_decode_frame().

tgq_calculate_qtable()

static void tgq_calculate_qtable ( TgqContext * s, int quant )

static

Definition at line 230 of file eatgq.c.

Referenced by tgq_decode_frame().

tgq_decode_frame()

static int tgq_decode_frame ( AVCodecContext * avctx, AVFrame * frame, int * got_frame, AVPacket * avpkt )

static

Definition at line 241 of file eatgq.c.

tgq_decode_close()

static av_cold int tgq_decode_close ( AVCodecContext * avctx )

static

Definition at line 292 of file eatgq.c.

Variable Documentation

ff_eatgq_decoder

const FFCodec ff_eatgq_decoder

Initial value:

= {
    .p.name         = "eatgq",
    CODEC_LONG_NAME("Electronic Arts TGQ video"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_TGQ,
    .priv_data_size = sizeof(TgqContext),
    .init           = tgq_decode_init,
    .close          = tgq_decode_close,
    FF_CODEC_DECODE_CB(tgq_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
}

Definition at line 299 of file eatgq.c.