23 #include "libavutil/imgutils.h"
34 int i,
ret, buf_size = avpkt->
size;
35 uint32_t
version, header_size, vclass, ncolors;
36 uint32_t xoffset, be, bpp, lsize, rsize;
37 uint32_t pixformat, pixdepth, bunit, bitorder, bpad;
46 header_size = bytestream2_get_be32u(&gb);
48 version = bytestream2_get_be32u(&gb);
59 pixformat = bytestream2_get_be32u(&gb);
60 pixdepth = bytestream2_get_be32u(&gb);
61 avctx->
width = bytestream2_get_be32u(&gb);
62 avctx->
height = bytestream2_get_be32u(&gb);
63 xoffset = bytestream2_get_be32u(&gb);
64 be = bytestream2_get_be32u(&gb);
65 bunit = bytestream2_get_be32u(&gb);
66 bitorder = bytestream2_get_be32u(&gb);
67 bpad = bytestream2_get_be32u(&gb);
68 bpp = bytestream2_get_be32u(&gb);
69 lsize = bytestream2_get_be32u(&gb);
70 vclass = bytestream2_get_be32u(&gb);
71 rgb[0] = bytestream2_get_be32u(&gb);
72 rgb[1] = bytestream2_get_be32u(&gb);
73 rgb[2] = bytestream2_get_be32u(&gb);
75 ncolors = bytestream2_get_be32u(&gb);
78 av_log(avctx,
AV_LOG_DEBUG,
"pixformat %d, pixdepth %d, bunit %d, bitorder %d, bpad %d\n",
79 pixformat, pixdepth, bunit, bitorder, bpad);
80 av_log(avctx,
AV_LOG_DEBUG,
"vclass %d, ncolors %d, bpp %d, be %d, lsize %d, xoffset %d\n",
81 vclass, ncolors, bpp, be, lsize, xoffset);
89 if (pixdepth == 0 || pixdepth > 32) {
109 if (bunit != 8 && bunit != 16 && bunit != 32) {
114 if (bpad != 8 && bpad != 16 && bpad != 32) {
119 if (bpp == 0 || bpp > 32) {
152 if (bpp != 1 && bpp != 8)
156 }
else if (pixdepth == 8) {
167 if (bpp != 16 && bpp != 24 && bpp != 32)
169 if (bpp == 16 && pixdepth == 15) {
170 if (rgb[0] == 0x7C00 && rgb[1] == 0x3E0 && rgb[2] == 0x1F)
172 else if (rgb[0] == 0x1F && rgb[1] == 0x3E0 && rgb[2] == 0x7C00)
174 }
else if (bpp == 16 && pixdepth == 16) {
175 if (rgb[0] == 0xF800 && rgb[1] == 0x7E0 && rgb[2] == 0x1F)
177 else if (rgb[0] == 0x1F && rgb[1] == 0x7E0 && rgb[2] == 0xF800)
179 }
else if (bpp == 24) {
180 if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
182 else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
184 }
else if (bpp == 32) {
185 if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
187 else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
199 "Unknown file: bpp %d, pixdepth %d, vclass %d",
200 bpp, pixdepth, vclass);
211 uint32_t *dst = (uint32_t *)p->
data[1];
214 for (i = 0; i < ncolors; i++) {
217 red = bytestream2_get_byteu(&gb);
219 green = bytestream2_get_byteu(&gb);
221 blue = bytestream2_get_byteu(&gb);
224 dst[i] = red << 16 | green << 8 | blue;
229 for (i = 0; i < avctx->
height; i++) {
#define AVERROR_PATCHWELCOME
This structure describes decoded (raw) audio or video data.
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), big-endian, most significant bit to 0 ...
packed RGB 8:8:8, 24bpp, RGBRGB...
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
static av_always_inline unsigned int bytestream2_get_bufferu(GetByteContext *g, uint8_t *dst, unsigned int size)
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
packed RGB 8:8:8, 24bpp, BGRBGR...
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
const char * name
Name of the codec implementation.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
static av_always_inline void bytestream2_skipu(GetByteContext *g, unsigned int size)
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
static av_always_inline unsigned int bytestream2_get_bytes_left(GetByteContext *g)
Libavcodec external API header.
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
enum AVPictureType pict_type
Picture type of the frame.
packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), big-endian, most significant bit to 1 ...
int width
picture width / height.
static int xwd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
main external API structure.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb...
common internal api header.
packed BGR 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), little-endian, most significant bit to 1 ...
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
#define AVERROR_INVALIDDATA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
int key_frame
1 -> keyframe, 0-> not
8 bit with PIX_FMT_RGB32 palette
packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), little-endian, most significant bit to 0 ...
This structure stores compressed data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.