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dxv.c File Reference
#include <stdint.h>
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "lzf.h"
#include "texturedsp.h"
#include "thread.h"

Go to the source code of this file.

Data Structures

struct  DXVContext
 

Macros

#define CHECKPOINT(x)
 

Functions

static int decompress_texture_thread (AVCodecContext *avctx, void *arg, int slice, int thread_nb)
 
static int dxv_decompress_dxt1 (AVCodecContext *avctx)
 
static int dxv_decompress_dxt5 (AVCodecContext *avctx)
 
static int dxv_decompress_lzf (AVCodecContext *avctx)
 
static int dxv_decompress_raw (AVCodecContext *avctx)
 
static int dxv_decode (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static int dxv_init (AVCodecContext *avctx)
 
static int dxv_close (AVCodecContext *avctx)
 

Variables

AVCodec ff_dxv_decoder
 

Macro Definition Documentation

#define CHECKPOINT (   x)
Value:
do { \
if (state == 0) { \
value = bytestream2_get_le32(gbc); \
state = 16; \
} \
op = value & 0x3; \
value >>= 2; \
state--; \
switch (op) { \
case 1: \
idx = x; \
break; \
case 2: \
idx = (bytestream2_get_byte(gbc) + 2) * x; \
if (idx > pos) { \
av_log(avctx, AV_LOG_ERROR, "idx %d > %d\n", idx, pos); \
return AVERROR_INVALIDDATA; \
} \
break; \
case 3: \
idx = (bytestream2_get_le16(gbc) + 0x102) * x; \
if (idx > pos) { \
av_log(avctx, AV_LOG_ERROR, "idx %d > %d\n", idx, pos); \
return AVERROR_INVALIDDATA; \
} \
break; \
} \
} while(0)
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
state
static struct @260 state
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
return
return
Definition: audio_convert.c:415
value
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
op
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
Definition: anm.c:78
if
if(ret< 0)
Definition: vf_mcdeint.c:279

Definition at line 93 of file dxv.c.

Referenced by dxv_decompress_dxt1(), and dxv_decompress_dxt5().

Function Documentation

static int decompress_texture_thread ( AVCodecContext *  avctx,
void *  arg,
int  slice,
int  thread_nb 
)
static

Definition at line 49 of file dxv.c.

Referenced by dxv_decode().

static int dxv_decompress_dxt1 ( AVCodecContext *  avctx)
static

Definition at line 123 of file dxv.c.

Referenced by dxv_decode().

static int dxv_decompress_dxt5 ( AVCodecContext *  avctx)
static

Definition at line 172 of file dxv.c.

Referenced by dxv_decode().

static int dxv_decompress_lzf ( AVCodecContext *  avctx)
static

Definition at line 329 of file dxv.c.

Referenced by dxv_decode().

static int dxv_decompress_raw ( AVCodecContext *  avctx)
static

Definition at line 335 of file dxv.c.

Referenced by dxv_decode().

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

Definition at line 347 of file dxv.c.

static int dxv_init ( AVCodecContext *  avctx)
static

Definition at line 469 of file dxv.c.

static int dxv_close ( AVCodecContext *  avctx)
static

Definition at line 493 of file dxv.c.

Variable Documentation

AVCodec ff_dxv_decoder
Initial value:
= {
.name = "dxv",
.long_name = NULL_IF_CONFIG_SMALL("Resolume DXV"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_DXV,
.init = dxv_init,
.decode = dxv_decode,
.close = dxv_close,
.priv_data_size = sizeof(DXVContext),
.capabilities = AV_CODEC_CAP_DR1 |
AV_CODEC_CAP_SLICE_THREADS |
AV_CODEC_CAP_FRAME_THREADS,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
FF_CODEC_CAP_INIT_CLEANUP,
}
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:48
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:40
AV_CODEC_ID_DXV
Definition: avcodec.h:411
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:179
dxv_close
static int dxv_close(AVCodecContext *avctx)
Definition: dxv.c:493
AV_CODEC_CAP_FRAME_THREADS
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: avcodec.h:1065
DXVContext
Definition: dxv.c:33
AV_CODEC_CAP_SLICE_THREADS
#define AV_CODEC_CAP_SLICE_THREADS
Codec supports slice-based (or partition-based) multithreading.
Definition: avcodec.h:1069
dxv_init
static int dxv_init(AVCodecContext *avctx)
Definition: dxv.c:469
dxv_decode
static int dxv_decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: dxv.c:347
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:1002

Definition at line 502 of file dxv.c.

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