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XWD encoder and decoder

Browse Source 
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
release/0.10
Paul B Mahol 13 years ago committed by Kostya Shishkov
parent 7662a532fb
commit 27ed027bcd
10 changed files with 564 additions and 2 deletions
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  1. 1
      Changelog
  2. 2
      doc/general.texi
  3. 2
      libavcodec/Makefile
  4. 1
      libavcodec/allcodecs.c
  5. 1
      libavcodec/avcodec.h
  6. 2
      libavcodec/version.h
  7. 41
      libavcodec/xwd.h
  8. 267
      libavcodec/xwddec.c
  9. 246
      libavcodec/xwdenc.c
  10. 3
      libavformat/img2.c

1
Changelog
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@ -6,6 +6,7 @@ version 0.8:
- GSM audio parser
- SMJPEG muxer
- XWD encoder and decoder
version 0.8_beta2:

2
doc/general.texi
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@ -379,6 +379,8 @@ following image formats are supported:
@tab YUV, JPEG and some extension is not supported yet.
@item Truevision Targa @tab X @tab X
@tab Targa (.TGA) image format
@item XWD @tab X @tab X
@tab X Window Dump image format
@end multitable
@code{X} means that encoding (resp. decoding) is supported.

2
libavcodec/Makefile
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@ -435,6 +435,8 @@ OBJS-$(CONFIG_XAN_WC4_DECODER) += xxan.o
OBJS-$(CONFIG_XL_DECODER) += xl.o
OBJS-$(CONFIG_XSUB_DECODER) += xsubdec.o
OBJS-$(CONFIG_XSUB_ENCODER) += xsubenc.o
OBJS-$(CONFIG_XWD_DECODER) += xwddec.o
OBJS-$(CONFIG_XWD_ENCODER) += xwdenc.o
OBJS-$(CONFIG_YOP_DECODER) += yop.o
OBJS-$(CONFIG_ZLIB_DECODER) += lcldec.o
OBJS-$(CONFIG_ZLIB_ENCODER) += lclenc.o

1
libavcodec/allcodecs.c
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@ -230,6 +230,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (XAN_WC3, xan_wc3);
REGISTER_DECODER (XAN_WC4, xan_wc4);
REGISTER_DECODER (XL, xl);
REGISTER_ENCDEC (XWD, xwd);
REGISTER_DECODER (YOP, yop);
REGISTER_ENCDEC (ZLIB, zlib);
REGISTER_ENCDEC (ZMBV, zmbv);

1
libavcodec/avcodec.h
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@ -254,6 +254,7 @@ enum CodecID {
CODEC_ID_VBLE,
CODEC_ID_DXTORY,
CODEC_ID_V410,
CODEC_ID_XWD,
/* various PCM "codecs" */
CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs

2
libavcodec/version.h
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@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 53
#define LIBAVCODEC_VERSION_MINOR 34
#define LIBAVCODEC_VERSION_MINOR 35
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

41
libavcodec/xwd.h
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@ -0,0 +1,41 @@
/*
* XWD image format
*
* Copyright (c) 2012 Paul B Mahol
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_XWD_H
#define AVCODEC_XWD_H
#define XWD_VERSION 7
#define XWD_HEADER_SIZE 100
#define XWD_CMAP_SIZE 12
#define XWD_XY_BITMAP 0
#define XWD_XY_PIXMAP 1
#define XWD_Z_PIXMAP 2
#define XWD_STATIC_GRAY 0
#define XWD_GRAY_SCALE 1
#define XWD_STATIC_COLOR 2
#define XWD_PSEUDO_COLOR 3
#define XWD_TRUE_COLOR 4
#define XWD_DIRECT_COLOR 5
#endif /* AVCODEC_XWD_H */

267
libavcodec/xwddec.c
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@ -0,0 +1,267 @@
/*
* XWD image format
*
* Copyright (c) 2012 Paul B Mahol
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "xwd.h"
static av_cold int xwd_decode_init(AVCodecContext *avctx)
{
avctx->coded_frame = avcodec_alloc_frame();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
return 0;
}
static int xwd_decode_frame(AVCodecContext *avctx, void *data,
int *data_size, AVPacket *avpkt)
{
AVFrame *p = avctx->coded_frame;
const uint8_t *buf = avpkt->data;
int i, ret, buf_size = avpkt->size;
uint32_t version, header_size, vclass, ncolors;
uint32_t xoffset, be, bpp, lsize, rsize;
uint32_t pixformat, pixdepth, bunit, bitorder, bpad;
uint32_t rgb[3];
uint8_t *ptr;
if (buf_size < XWD_HEADER_SIZE)
return AVERROR_INVALIDDATA;
header_size = bytestream_get_be32(&buf);
if (buf_size < header_size)
return AVERROR_INVALIDDATA;
version = bytestream_get_be32(&buf);
if (version != XWD_VERSION) {
av_log(avctx, AV_LOG_ERROR, "unsupported version\n");
return AVERROR_INVALIDDATA;
}
if (header_size < XWD_HEADER_SIZE) {
av_log(avctx, AV_LOG_ERROR, "invalid header size\n");
return AVERROR_INVALIDDATA;
}
pixformat = bytestream_get_be32(&buf);
pixdepth = bytestream_get_be32(&buf);
avctx->width = bytestream_get_be32(&buf);
avctx->height = bytestream_get_be32(&buf);
xoffset = bytestream_get_be32(&buf);
be = bytestream_get_be32(&buf);
bunit = bytestream_get_be32(&buf);
bitorder = bytestream_get_be32(&buf);
bpad = bytestream_get_be32(&buf);
bpp = bytestream_get_be32(&buf);
lsize = bytestream_get_be32(&buf);
vclass = bytestream_get_be32(&buf);
rgb[0] = bytestream_get_be32(&buf);
rgb[1] = bytestream_get_be32(&buf);
rgb[2] = bytestream_get_be32(&buf);
buf += 8;
ncolors = bytestream_get_be32(&buf);
buf += header_size - (XWD_HEADER_SIZE - 20);
av_log(avctx, AV_LOG_DEBUG, "pixformat %d, pixdepth %d, bunit %d, bitorder %d, bpad %d\n",
pixformat, pixdepth, bunit, bitorder, bpad);
av_log(avctx, AV_LOG_DEBUG, "vclass %d, ncolors %d, bpp %d, be %d, lsize %d, xoffset %d\n",
vclass, ncolors, bpp, be, lsize, xoffset);
av_log(avctx, AV_LOG_DEBUG, "red %0x, green %0x, blue %0x\n", rgb[0], rgb[1], rgb[2]);
if (pixformat > XWD_Z_PIXMAP) {
av_log(avctx, AV_LOG_ERROR, "invalid pixmap format\n");
return AVERROR_INVALIDDATA;
}
if (pixdepth == 0 || pixdepth > 32) {
av_log(avctx, AV_LOG_ERROR, "invalid pixmap depth\n");
return AVERROR_INVALIDDATA;
}
if (xoffset) {
av_log_ask_for_sample(avctx, "unsupported xoffset %d\n", xoffset);
return AVERROR_PATCHWELCOME;
}
if (be > 1) {
av_log(avctx, AV_LOG_ERROR, "invalid byte order\n");
return AVERROR_INVALIDDATA;
}
if (bitorder > 1) {
av_log(avctx, AV_LOG_ERROR, "invalid bitmap bit order\n");
return AVERROR_INVALIDDATA;
}
if (bunit != 8 && bunit != 16 && bunit != 32) {
av_log(avctx, AV_LOG_ERROR, "invalid bitmap unit\n");
return AVERROR_INVALIDDATA;
}
if (bpad != 8 && bpad != 16 && bpad != 32) {
av_log(avctx, AV_LOG_ERROR, "invalid bitmap scan-line pad\n");
return AVERROR_INVALIDDATA;
}
if (bpp == 0 || bpp > 32) {
av_log(avctx, AV_LOG_ERROR, "invalid bits per pixel\n");
return AVERROR_INVALIDDATA;
}
if (ncolors > 256) {
av_log(avctx, AV_LOG_ERROR, "invalid number of entries in colormap\n");
return AVERROR_INVALIDDATA;
}
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, NULL)) < 0)
return ret;
rsize = FFALIGN(avctx->width * bpp, bpad) / 8;
if (lsize < rsize) {
av_log(avctx, AV_LOG_ERROR, "invalid bytes per scan-line\n");
return AVERROR_INVALIDDATA;
}
if (buf_size < header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize) {
av_log(avctx, AV_LOG_ERROR, "input buffer too small\n");
return AVERROR_INVALIDDATA;
}
if (pixformat != XWD_Z_PIXMAP) {
av_log(avctx, AV_LOG_ERROR, "pixmap format %d unsupported\n", pixformat);
return AVERROR_PATCHWELCOME;
}
avctx->pix_fmt = PIX_FMT_NONE;
switch (vclass) {
case XWD_STATIC_GRAY:
case XWD_GRAY_SCALE:
if (bpp != 1)
return AVERROR_INVALIDDATA;
if (pixdepth == 1)
avctx->pix_fmt = PIX_FMT_MONOWHITE;
break;
case XWD_STATIC_COLOR:
case XWD_PSEUDO_COLOR:
if (bpp == 8)
avctx->pix_fmt = PIX_FMT_PAL8;
break;
case XWD_TRUE_COLOR:
case XWD_DIRECT_COLOR:
if (bpp != 16 && bpp != 24 && bpp != 32)
return AVERROR_INVALIDDATA;
if (bpp == 16 && pixdepth == 15) {
if (rgb[0] == 0x7C00 && rgb[1] == 0x3E0 && rgb[2] == 0x1F)
avctx->pix_fmt = be ? PIX_FMT_RGB555BE : PIX_FMT_RGB555LE;
else if (rgb[0] == 0x1F && rgb[1] == 0x3E0 && rgb[2] == 0x7C00)
avctx->pix_fmt = be ? PIX_FMT_BGR555BE : PIX_FMT_BGR555LE;
} else if (bpp == 16 && pixdepth == 16) {
if (rgb[0] == 0xF800 && rgb[1] == 0x7E0 && rgb[2] == 0x1F)
avctx->pix_fmt = be ? PIX_FMT_RGB565BE : PIX_FMT_RGB565LE;
else if (rgb[0] == 0x1F && rgb[1] == 0x7E0 && rgb[2] == 0xF800)
avctx->pix_fmt = be ? PIX_FMT_BGR565BE : PIX_FMT_BGR565LE;
} else if (bpp == 24) {
if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
avctx->pix_fmt = be ? PIX_FMT_RGB24 : PIX_FMT_BGR24;
else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
avctx->pix_fmt = be ? PIX_FMT_BGR24 : PIX_FMT_RGB24;
} else if (bpp == 32) {
if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
avctx->pix_fmt = be ? PIX_FMT_ARGB : PIX_FMT_BGRA;
else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
avctx->pix_fmt = be ? PIX_FMT_ABGR : PIX_FMT_RGBA;
}
buf += ncolors * XWD_CMAP_SIZE;
break;
default:
av_log(avctx, AV_LOG_ERROR, "invalid visual class\n");
return AVERROR_INVALIDDATA;
}
if (avctx->pix_fmt == PIX_FMT_NONE) {
av_log_ask_for_sample(avctx, "unknown file: bpp %d, pixdepth %d, vclass %d\n", bpp, pixdepth, vclass);
return AVERROR_PATCHWELCOME;
}
if (p->data[0])
avctx->release_buffer(avctx, p);
p->reference = 0;
if ((ret = avctx->get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
p->key_frame = 1;
p->pict_type = AV_PICTURE_TYPE_I;
if (avctx->pix_fmt == PIX_FMT_PAL8) {
uint32_t *dst = (uint32_t *)p->data[1];
uint8_t red, green, blue;
for (i = 0; i < ncolors; i++) {
buf += 4; // skip colormap entry number
red = *buf; buf += 2;
green = *buf; buf += 2;
blue = *buf; buf += 2;
buf += 2; // skip bitmask flag and padding
dst[i] = red << 16 | green << 8 | blue;
}
}
ptr = p->data[0];
for (i = 0; i < avctx->height; i++) {
bytestream_get_buffer(&buf, ptr, rsize);
buf += lsize - rsize;
ptr += p->linesize[0];
}
*data_size = sizeof(AVFrame);
*(AVFrame *)data = *p;
return buf_size;
}
static av_cold int xwd_decode_close(AVCodecContext *avctx)
{
if (avctx->coded_frame->data[0])
avctx->release_buffer(avctx, avctx->coded_frame);
av_freep(&avctx->coded_frame);
return 0;
}
AVCodec ff_xwd_decoder = {
.name = "xwd",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_XWD,
.init = xwd_decode_init,
.close = xwd_decode_close,
.decode = xwd_decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("XWD (X Window Dump) image"),
};

246
libavcodec/xwdenc.c
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@ -0,0 +1,246 @@
/*
* XWD image format
*
* Copyright (c) 2012 Paul B Mahol
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "bytestream.h"
#include "xwd.h"
#define WINDOW_NAME "lavcxwdenc"
#define WINDOW_NAME_SIZE 11
static av_cold int xwd_encode_init(AVCodecContext *avctx)
{
avctx->coded_frame = avcodec_alloc_frame();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
return 0;
}
static int xwd_encode_frame(AVCodecContext *avctx, uint8_t *buf,
int buf_size, void *data)
{
AVFrame *p = data;
enum PixelFormat pix_fmt = avctx->pix_fmt;
uint32_t pixdepth, bpp, bpad, ncolors = 0, lsize, vclass, be = 0;
uint32_t rgb[3] = { 0 };
uint32_t header_size;
int i, out_size;
uint8_t *ptr;
pixdepth = av_get_bits_per_pixel(&av_pix_fmt_descriptors[pix_fmt]);
if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_BE)
be = 1;
switch (pix_fmt) {
case PIX_FMT_ARGB:
case PIX_FMT_BGRA:
case PIX_FMT_RGBA:
case PIX_FMT_ABGR:
if (pix_fmt == PIX_FMT_ARGB ||
pix_fmt == PIX_FMT_ABGR)
be = 1;
if (pix_fmt == PIX_FMT_ABGR ||
pix_fmt == PIX_FMT_RGBA) {
rgb[0] = 0xFF;
rgb[1] = 0xFF00;
rgb[2] = 0xFF0000;
} else {
rgb[0] = 0xFF0000;
rgb[1] = 0xFF00;
rgb[2] = 0xFF;
}
bpp = 32;
pixdepth = 24;
vclass = XWD_TRUE_COLOR;
bpad = 32;
break;
case PIX_FMT_BGR24:
case PIX_FMT_RGB24:
if (pix_fmt == PIX_FMT_RGB24)
be = 1;
bpp = 24;
vclass = XWD_TRUE_COLOR;
bpad = 32;
rgb[0] = 0xFF0000;
rgb[1] = 0xFF00;
rgb[2] = 0xFF;
break;
case PIX_FMT_RGB565LE:
case PIX_FMT_RGB565BE:
case PIX_FMT_BGR565LE:
case PIX_FMT_BGR565BE:
if (pix_fmt == PIX_FMT_BGR565LE ||
pix_fmt == PIX_FMT_BGR565BE) {
rgb[0] = 0x1F;
rgb[1] = 0x7E0;
rgb[2] = 0xF800;
} else {
rgb[0] = 0xF800;
rgb[1] = 0x7E0;
rgb[2] = 0x1F;
}
bpp = 16;
vclass = XWD_TRUE_COLOR;
bpad = 16;
break;
case PIX_FMT_RGB555LE:
case PIX_FMT_RGB555BE:
case PIX_FMT_BGR555LE:
case PIX_FMT_BGR555BE:
if (pix_fmt == PIX_FMT_BGR555LE ||
pix_fmt == PIX_FMT_BGR555BE) {
rgb[0] = 0x1F;
rgb[1] = 0x3E0;
rgb[2] = 0x7C00;
} else {
rgb[0] = 0x7C00;
rgb[1] = 0x3E0;
rgb[2] = 0x1F;
}
bpp = 16;
vclass = XWD_TRUE_COLOR;
bpad = 16;
break;
case PIX_FMT_RGB8:
case PIX_FMT_BGR8:
case PIX_FMT_RGB4_BYTE:
case PIX_FMT_BGR4_BYTE:
case PIX_FMT_PAL8:
bpp = 8;
vclass = XWD_PSEUDO_COLOR;
bpad = 8;
ncolors = 256;
break;
case PIX_FMT_MONOWHITE:
bpp = 1;
bpad = 8;
vclass = XWD_STATIC_GRAY;
break;
default:
av_log(avctx, AV_LOG_INFO, "unsupported pixel format\n");
return AVERROR(EINVAL);
}
lsize = FFALIGN(bpp * avctx->width, bpad) / 8;
header_size = XWD_HEADER_SIZE + WINDOW_NAME_SIZE;
out_size = header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize;
if (buf_size < out_size) {
av_log(avctx, AV_LOG_ERROR, "output buffer too small\n");
return AVERROR(ENOMEM);
}
avctx->coded_frame->key_frame = 1;
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
bytestream_put_be32(&buf, header_size);
bytestream_put_be32(&buf, XWD_VERSION); // file version
bytestream_put_be32(&buf, XWD_Z_PIXMAP); // pixmap format
bytestream_put_be32(&buf, pixdepth); // pixmap depth in pixels
bytestream_put_be32(&buf, avctx->width); // pixmap width in pixels
bytestream_put_be32(&buf, avctx->height); // pixmap height in pixels
bytestream_put_be32(&buf, 0); // bitmap x offset
bytestream_put_be32(&buf, be); // byte order
bytestream_put_be32(&buf, 32); // bitmap unit
bytestream_put_be32(&buf, be); // bit-order of image data
bytestream_put_be32(&buf, bpad); // bitmap scan-line pad in bits
bytestream_put_be32(&buf, bpp); // bits per pixel
bytestream_put_be32(&buf, lsize); // bytes per scan-line
bytestream_put_be32(&buf, vclass); // visual class
bytestream_put_be32(&buf, rgb[0]); // red mask
bytestream_put_be32(&buf, rgb[1]); // green mask
bytestream_put_be32(&buf, rgb[2]); // blue mask
bytestream_put_be32(&buf, 8); // size of each bitmask in bits
bytestream_put_be32(&buf, ncolors); // number of colors
bytestream_put_be32(&buf, ncolors); // number of entries in color map
bytestream_put_be32(&buf, avctx->width); // window width
bytestream_put_be32(&buf, avctx->height); // window height
bytestream_put_be32(&buf, 0); // window upper left X coordinate
bytestream_put_be32(&buf, 0); // window upper left Y coordinate
bytestream_put_be32(&buf, 0); // window border width
bytestream_put_buffer(&buf, WINDOW_NAME, WINDOW_NAME_SIZE);
for (i = 0; i < ncolors; i++) {
uint32_t val;
uint8_t red, green, blue;
val = AV_RN32A(p->data[1] + i * 4);
red = (val >> 16) & 0xFF;
green = (val >> 8) & 0xFF;
blue = val & 0xFF;
bytestream_put_be32(&buf, i); // colormap entry number
bytestream_put_be16(&buf, red << 8);
bytestream_put_be16(&buf, green << 8);
bytestream_put_be16(&buf, blue << 8);
bytestream_put_byte(&buf, 0x7); // bitmask flag
bytestream_put_byte(&buf, 0); // padding
}
ptr = p->data[0];
for (i = 0; i < avctx->height; i++) {
bytestream_put_buffer(&buf, ptr, lsize);
ptr += p->linesize[0];
}
return out_size;
}
static av_cold int xwd_encode_close(AVCodecContext *avctx)
{
av_freep(&avctx->coded_frame);
return 0;
}
AVCodec ff_xwd_encoder = {
.name = "xwd",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_XWD,
.init = xwd_encode_init,
.encode = xwd_encode_frame,
.close = xwd_encode_close,
.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_BGRA,
PIX_FMT_RGBA,
PIX_FMT_ARGB,
PIX_FMT_ABGR,
PIX_FMT_RGB24,
PIX_FMT_BGR24,
PIX_FMT_RGB565BE,
PIX_FMT_RGB565LE,
PIX_FMT_BGR565BE,
PIX_FMT_BGR565LE,
PIX_FMT_RGB555BE,
PIX_FMT_RGB555LE,
PIX_FMT_BGR555BE,
PIX_FMT_BGR555LE,
PIX_FMT_RGB8,
PIX_FMT_BGR8,
PIX_FMT_RGB4_BYTE,
PIX_FMT_BGR4_BYTE,
PIX_FMT_PAL8,
PIX_FMT_MONOWHITE,
PIX_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("XWD (X Window Dump) image"),
};

3
libavformat/img2.c
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@ -85,6 +85,7 @@ static const IdStrMap img_tags[] = {
{ CODEC_ID_JPEG2000 , "jpc"},
{ CODEC_ID_DPX , "dpx"},
{ CODEC_ID_PICTOR , "pic"},
{ CODEC_ID_XWD , "xwd"},
{ CODEC_ID_NONE , NULL}
};
@ -501,7 +502,7 @@ AVOutputFormat ff_image2_muxer = {
.name = "image2",
.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"),
.extensions = "bmp,dpx,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,"
"ppm,sgi,tga,tif,tiff,jp2",
"ppm,sgi,tga,tif,tiff,jp2,xwd",
.priv_data_size = sizeof(VideoData),
.video_codec = CODEC_ID_MJPEG,
.write_header = write_header,

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