FFmpeg
Data Structures | Functions | Variables
eatqi.c File Reference
#include "libavutil/mem_internal.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "bswapdsp.h"
#include "get_bits.h"
#include "aandcttab.h"
#include "eaidct.h"
#include "idctdsp.h"
#include "internal.h"
#include "mpeg12.h"

Go to the source code of this file.

Data Structures

struct  TqiContext
 

Functions

static av_cold int tqi_decode_init (AVCodecContext *avctx)
 
static int tqi_decode_mb (TqiContext *t, int16_t(*block)[64])
 
static void tqi_idct_put (AVCodecContext *avctx, AVFrame *frame, int16_t(*block)[64])
 
static void tqi_calculate_qtable (TqiContext *t, int quant)
 
static int tqi_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static av_cold int tqi_decode_end (AVCodecContext *avctx)
 

Variables

const AVCodec ff_eatqi_decoder
 

Detailed Description

Electronic Arts TQI Video Decoder

Author
Peter Ross pross.nosp@m.@xvi.nosp@m.d.org
See also
http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TQI

Definition in file eatqi.c.

Function Documentation

◆ tqi_decode_init()

static av_cold int tqi_decode_init ( AVCodecContext avctx)
static

Definition at line 59 of file eatqi.c.

◆ tqi_decode_mb()

static int tqi_decode_mb ( TqiContext t,
int16_t(*)  block[64] 
)
static

Definition at line 75 of file eatqi.c.

Referenced by tqi_decode_frame().

◆ tqi_idct_put()

static void tqi_idct_put ( AVCodecContext avctx,
AVFrame frame,
int16_t(*)  block[64] 
)
inlinestatic

Definition at line 95 of file eatqi.c.

Referenced by tqi_decode_frame().

◆ tqi_calculate_qtable()

static void tqi_calculate_qtable ( TqiContext t,
int  quant 
)
static

Definition at line 115 of file eatqi.c.

Referenced by tqi_decode_frame().

◆ tqi_decode_frame()

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

Definition at line 125 of file eatqi.c.

◆ tqi_decode_end()

static av_cold int tqi_decode_end ( AVCodecContext avctx)
static

Definition at line 177 of file eatqi.c.

Variable Documentation

◆ ff_eatqi_decoder

const AVCodec ff_eatqi_decoder
Initial value:
= {
.name = "eatqi",
.long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TQI Video"),
.priv_data_size = sizeof(TqiContext),
.close = tqi_decode_end,
.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 184 of file eatqi.c.

FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:42
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
AV_CODEC_ID_TQI
@ AV_CODEC_ID_TQI
Definition: codec_id.h:172
tqi_decode_end
static av_cold int tqi_decode_end(AVCodecContext *avctx)
Definition: eatqi.c:177
tqi_decode_frame
static int tqi_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: eatqi.c:125
decode
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
TqiContext
Definition: eatqi.c:41
tqi_decode_init
static av_cold int tqi_decode_init(AVCodecContext *avctx)
Definition: eatqi.c:59
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201