FFmpeg
Data Structures | Macros | Functions | Variables
indeo2.c File Reference
#include "libavutil/attributes.h"
#include "libavutil/thread.h"
#include "avcodec.h"
#include "get_bits.h"
#include "indeo2data.h"
#include "internal.h"
#include "mathops.h"

Go to the source code of this file.

Data Structures

struct  Ir2Context
 

Macros

#define BITSTREAM_READER_LE
 
#define CODE_VLC_BITS   14
 

Functions

static int ir2_get_code (GetBitContext *gb)
 
static int ir2_decode_plane (Ir2Context *ctx, int width, int height, uint8_t *dst, int pitch, const uint8_t *table)
 
static int ir2_decode_plane_inter (Ir2Context *ctx, int width, int height, uint8_t *dst, int pitch, const uint8_t *table)
 
static int ir2_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static av_cold void ir2_init_static (void)
 
static av_cold int ir2_decode_init (AVCodecContext *avctx)
 
static av_cold int ir2_decode_end (AVCodecContext *avctx)
 

Variables

static VLC ir2_vlc
 
const AVCodec ff_indeo2_decoder
 

Detailed Description

Intel Indeo 2 decoder.

Definition in file indeo2.c.

Macro Definition Documentation

◆ BITSTREAM_READER_LE

#define BITSTREAM_READER_LE

Definition at line 30 of file indeo2.c.

◆ CODE_VLC_BITS

#define CODE_VLC_BITS   14

Definition at line 44 of file indeo2.c.

Function Documentation

◆ ir2_get_code()

static int ir2_get_code ( GetBitContext gb)
inlinestatic

Definition at line 48 of file indeo2.c.

Referenced by ir2_decode_plane(), and ir2_decode_plane_inter().

◆ ir2_decode_plane()

static int ir2_decode_plane ( Ir2Context ctx,
int  width,
int  height,
uint8_t *  dst,
int  pitch,
const uint8_t *  table 
)
static

Definition at line 53 of file indeo2.c.

Referenced by ir2_decode_frame().

◆ ir2_decode_plane_inter()

static int ir2_decode_plane_inter ( Ir2Context ctx,
int  width,
int  height,
uint8_t *  dst,
int  pitch,
const uint8_t *  table 
)
static

Definition at line 115 of file indeo2.c.

Referenced by ir2_decode_frame().

◆ ir2_decode_frame()

static int ir2_decode_frame ( AVCodecContext avctx,
void *  data,
int got_frame,
AVPacket avpkt 
)
static

Definition at line 153 of file indeo2.c.

◆ ir2_init_static()

static av_cold void ir2_init_static ( void  )
static

Definition at line 229 of file indeo2.c.

Referenced by ir2_decode_init().

◆ ir2_decode_init()

static av_cold int ir2_decode_init ( AVCodecContext avctx)
static

Definition at line 236 of file indeo2.c.

◆ ir2_decode_end()

static av_cold int ir2_decode_end ( AVCodecContext avctx)
static

Definition at line 254 of file indeo2.c.

Variable Documentation

◆ ir2_vlc

VLC ir2_vlc
static

Definition at line 45 of file indeo2.c.

Referenced by ir2_get_code(), and ir2_init_static().

◆ ff_indeo2_decoder

const AVCodec ff_indeo2_decoder
Initial value:
= {
.name = "indeo2",
.long_name = NULL_IF_CONFIG_SMALL("Intel Indeo 2"),
.priv_data_size = sizeof(Ir2Context),
.close = ir2_decode_end,
.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 263 of file indeo2.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:41
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
ir2_decode_end
static av_cold int ir2_decode_end(AVCodecContext *avctx)
Definition: indeo2.c:254
decode
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
AV_CODEC_ID_INDEO2
@ AV_CODEC_ID_INDEO2
Definition: codec_id.h:124
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
Ir2Context
Definition: indeo2.c:37
ir2_decode_frame
static int ir2_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: indeo2.c:153
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
ir2_decode_init
static av_cold int ir2_decode_init(AVCodecContext *avctx)
Definition: indeo2.c:236