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"

Go to the source code of this file.

Data Structures
struct	TgqContext
Defines
#define	ALT_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, const uint8_t **bs, const uint8_t *buf_end)
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 ALT_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 179 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 239 of file eatgq.c.

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

Definition at line 191 of file eatgq.c.

static av_cold int tgq_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 48 of file eatgq.c.

static void tgq_decode_mb	(	TgqContext *	s,
		int	mb_y,
		int	mb_x,
		const uint8_t **	bs,
		const uint8_t *	buf_end
	)			[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

AVCodec ff_eatgq_decoder

Initial value:

 {
    .name           = "eatgq",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = 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 246 of file eatgq.c.