hvirtual/quicktime/ffmpeg/libavcodec/indeo3.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "common.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "indeo3data.h"

Include dependency graph for indeo3.c:

Go to the source code of this file.

Data Structures

struct YUVBufs

struct Indeo3DecodeContext

struct ustr_t

Defines

#define min(a, b) ((a) < (b) ? (a) : (b))

#define LV1_CHECK(buf1, rle_v3, lv1, lp2)

#define RLE_V3_CHECK(buf1, rle_v1, rle_v2, rle_v3)

#define LP2_CHECK(buf1, rle_v3, lp2)

#define RLE_V2_CHECK(buf1, rle_v2, rle_v3, lp2)

Functions

static void build_modpred (Indeo3DecodeContext *s)

static void iv_Decode_Chunk (Indeo3DecodeContext *s, unsigned char *cur, unsigned char *ref, int width, int height, unsigned char *buf1, long fflags2, unsigned char *hdr, unsigned char *buf2, int min_width_160)

static void iv_alloc_frames (Indeo3DecodeContext *s)

static void iv_free_func (Indeo3DecodeContext *s)

static unsigned long iv_decode_frame (Indeo3DecodeContext *s, unsigned char *buf, int buf_size)

static int indeo3_decode_init (AVCodecContext *avctx)

static int indeo3_decode_frame (AVCodecContext *avctx, void *data, int *data_size, unsigned char *buf, int buf_size)

static int indeo3_decode_end (AVCodecContext *avctx)

Variables

static int corrector_type_0 [24]

static int corrector_type_2 [8] = { 9, 7, 6, 8, 5, 4, 3, 2 }

AVCodec indeo3_decoder

Define Documentation

#define LP2_CHECK	(	buf1,
		rle_v3,
		lp2	)

Value:

if(lp2 == 0 && rle_v3 != 0)     \
    rle_v3 = 0;           \
  else {                  \
    buf1--;               \
    rle_v3 = 1;           \
  }

Definition at line 294 of file indeo3.c.

Referenced by iv_Decode_Chunk().

#define LV1_CHECK	(	buf1,
		rle_v3,
		lv1,
		lp2	)

Value:

if((lv1 & 0x80) != 0) {   \
    if(rle_v3 != 0)         \
      rle_v3 = 0;           \
    else {                  \
      rle_v3 = 1;           \
      buf1 -= 2;            \
    }                       \
  }                         \
  lp2 = 4;

Definition at line 269 of file indeo3.c.

Referenced by iv_Decode_Chunk().

#define min	(	a,
		b		)	((a) < (b) ? (a) : (b))

#define RLE_V2_CHECK	(	buf1,
		rle_v2,
		rle_v3,
		lp2	)

Value:

rle_v2--;             \
  if(rle_v2 == 0) {     \
    rle_v3 = 0;         \
    buf1 += 2;          \
  }                     \
  lp2 = 4;

Definition at line 303 of file indeo3.c.

Referenced by iv_Decode_Chunk().

#define RLE_V3_CHECK	(	buf1,
		rle_v1,
		rle_v2,
		rle_v3	)

Value:

if(rle_v3 == 0) {         \
    rle_v2 = *buf1;         \
    rle_v1 = 1;             \
    if(rle_v2 > 32) {       \
      rle_v2 -= 32;         \
      rle_v1 = 0;           \
    }                       \
    rle_v3 = 1;             \
  }                         \
  buf1--;

Definition at line 281 of file indeo3.c.

Referenced by iv_Decode_Chunk().

Function Documentation

static void build_modpred ( Indeo3DecodeContext * s ) [static]

Definition at line 64 of file indeo3.c.

References av_malloc(), Indeo3DecodeContext::corrector_type, corrector_type_0, corrector_type_2, and Indeo3DecodeContext::ModPred.

Referenced by indeo3_decode_init().