dds.c File Reference

DDS decoder. More...

#include <stdint.h>
#include "libavutil/libm.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "texturedsp.h"
#include "thread.h"

Go to the source code of this file.

Data Structures
struct	DDSContext

Macros
#define	DDPF_FOURCC   (1 << 2)
#define	DDPF_PALETTE   (1 << 5)
#define	DDPF_NORMALMAP   (1U << 31)

Enumerations
enum	DDSPostProc {   DDS_NONE = 0, DDS_ALPHA_EXP, DDS_NORMAL_MAP, DDS_RAW_YCOCG,   DDS_SWAP_ALPHA, DDS_SWIZZLE_A2XY, DDS_SWIZZLE_RBXG, DDS_SWIZZLE_RGXB,   DDS_SWIZZLE_RXBG, DDS_SWIZZLE_RXGB, DDS_SWIZZLE_XGBR, DDS_SWIZZLE_XRBG,   DDS_SWIZZLE_XGXR }
enum	DDSDXGIFormat {   DXGI_FORMAT_R16G16B16A16_TYPELESS = 9, DXGI_FORMAT_R16G16B16A16_FLOAT = 10, DXGI_FORMAT_R16G16B16A16_UNORM = 11, DXGI_FORMAT_R16G16B16A16_UINT = 12,   DXGI_FORMAT_R16G16B16A16_SNORM = 13, DXGI_FORMAT_R16G16B16A16_SINT = 14, DXGI_FORMAT_R8G8B8A8_TYPELESS = 27, DXGI_FORMAT_R8G8B8A8_UNORM = 28,   DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29, DXGI_FORMAT_R8G8B8A8_UINT = 30, DXGI_FORMAT_R8G8B8A8_SNORM = 31, DXGI_FORMAT_R8G8B8A8_SINT = 32,   DXGI_FORMAT_BC1_TYPELESS = 70, DXGI_FORMAT_BC1_UNORM = 71, DXGI_FORMAT_BC1_UNORM_SRGB = 72, DXGI_FORMAT_BC2_TYPELESS = 73,   DXGI_FORMAT_BC2_UNORM = 74, DXGI_FORMAT_BC2_UNORM_SRGB = 75, DXGI_FORMAT_BC3_TYPELESS = 76, DXGI_FORMAT_BC3_UNORM = 77,   DXGI_FORMAT_BC3_UNORM_SRGB = 78, DXGI_FORMAT_BC4_TYPELESS = 79, DXGI_FORMAT_BC4_UNORM = 80, DXGI_FORMAT_BC4_SNORM = 81,   DXGI_FORMAT_BC5_TYPELESS = 82, DXGI_FORMAT_BC5_UNORM = 83, DXGI_FORMAT_BC5_SNORM = 84, DXGI_FORMAT_B5G6R5_UNORM = 85,   DXGI_FORMAT_B8G8R8A8_UNORM = 87, DXGI_FORMAT_B8G8R8X8_UNORM = 88, DXGI_FORMAT_B8G8R8A8_TYPELESS = 90, DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,   DXGI_FORMAT_B8G8R8X8_TYPELESS = 92, DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93 }

Functions
static int	parse_pixel_format (AVCodecContext *avctx)
static int	decompress_texture_thread (AVCodecContext *avctx, void *arg, int slice, int thread_nb)
static void	do_swizzle (AVFrame *frame, int x, int y)
static void	run_postproc (AVCodecContext *avctx, AVFrame *frame)
static int	dds_decode (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)

Variables
AVCodec	ff_dds_decoder

Detailed Description

DDS decoder.

https://msdn.microsoft.com/en-us/library/bb943982%28v=vs.85%29.aspx

Definition in file dds.c.

Macro Definition Documentation

DDPF_FOURCC

#define DDPF_FOURCC   (1 << 2)

Definition at line 40 of file dds.c.

Referenced by parse_pixel_format().

DDPF_PALETTE

#define DDPF_PALETTE   (1 << 5)

Definition at line 41 of file dds.c.

Referenced by parse_pixel_format().

DDPF_NORMALMAP

#define DDPF_NORMALMAP   (1U << 31)

Definition at line 42 of file dds.c.

Referenced by parse_pixel_format().

Enumeration Type Documentation

DDSPostProc

enum DDSPostProc

Enumerator
DDS_NONE
DDS_ALPHA_EXP
DDS_NORMAL_MAP
DDS_RAW_YCOCG
DDS_SWAP_ALPHA
DDS_SWIZZLE_A2XY
DDS_SWIZZLE_RBXG
DDS_SWIZZLE_RGXB
DDS_SWIZZLE_RXBG
DDS_SWIZZLE_RXGB
DDS_SWIZZLE_XGBR
DDS_SWIZZLE_XRBG
DDS_SWIZZLE_XGXR

Definition at line 44 of file dds.c.

DDSDXGIFormat

enum DDSDXGIFormat

Enumerator
DXGI_FORMAT_R16G16B16A16_TYPELESS
DXGI_FORMAT_R16G16B16A16_FLOAT
DXGI_FORMAT_R16G16B16A16_UNORM
DXGI_FORMAT_R16G16B16A16_UINT
DXGI_FORMAT_R16G16B16A16_SNORM
DXGI_FORMAT_R16G16B16A16_SINT
DXGI_FORMAT_R8G8B8A8_TYPELESS
DXGI_FORMAT_R8G8B8A8_UNORM
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB
DXGI_FORMAT_R8G8B8A8_UINT
DXGI_FORMAT_R8G8B8A8_SNORM
DXGI_FORMAT_R8G8B8A8_SINT
DXGI_FORMAT_BC1_TYPELESS
DXGI_FORMAT_BC1_UNORM
DXGI_FORMAT_BC1_UNORM_SRGB
DXGI_FORMAT_BC2_TYPELESS
DXGI_FORMAT_BC2_UNORM
DXGI_FORMAT_BC2_UNORM_SRGB
DXGI_FORMAT_BC3_TYPELESS
DXGI_FORMAT_BC3_UNORM
DXGI_FORMAT_BC3_UNORM_SRGB
DXGI_FORMAT_BC4_TYPELESS
DXGI_FORMAT_BC4_UNORM
DXGI_FORMAT_BC4_SNORM
DXGI_FORMAT_BC5_TYPELESS
DXGI_FORMAT_BC5_UNORM
DXGI_FORMAT_BC5_SNORM
DXGI_FORMAT_B5G6R5_UNORM
DXGI_FORMAT_B8G8R8A8_UNORM
DXGI_FORMAT_B8G8R8X8_UNORM
DXGI_FORMAT_B8G8R8A8_TYPELESS
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB
DXGI_FORMAT_B8G8R8X8_TYPELESS
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB

Definition at line 60 of file dds.c.

Function Documentation

parse_pixel_format()

static int parse_pixel_format ( AVCodecContext *  avctx )

static

Definition at line 116 of file dds.c.

Referenced by dds_decode().

decompress_texture_thread()

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

static

Definition at line 436 of file dds.c.

Referenced by dds_decode().

do_swizzle()

static void do_swizzle ( AVFrame *  frame, int  x, int  y  )

static

Definition at line 473 of file dds.c.

Referenced by run_postproc().

run_postproc()

static void run_postproc ( AVCodecContext *  avctx, AVFrame *  frame  )

static

Definition at line 482 of file dds.c.

Referenced by dds_decode().

dds_decode()

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

static

Definition at line 608 of file dds.c.

Variable Documentation

ff_dds_decoder

AVCodec ff_dds_decoder

Initial value:

= {
    .name           = "dds",
    .long_name      = NULL_IF_CONFIG_SMALL("DirectDraw Surface image decoder"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_DDS,
    .decode         = dds_decode,
    .priv_data_size = sizeof(DDSContext),
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE
}

Definition at line 750 of file dds.c.