github-mirrors/FFmpeg
1
0
Fork 0
mirror of https://mirror.skon.top/https://github.com/FFmpeg/FFmpeg synced 2026-04-20 21:00:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/vbndec: add VBN decoder

Browse Source 
Add support for decoding Vizrt Binary Image (VBN) files.

LZW-compressed data is not supported yet.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2022-03-19 01:22:23 +01:00
parent a4570d7a66
commit 013d774e22
11 changed files with 271 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
libavformat/img2dec.c
View File

@@ -37,6 +37,7 @@
#include "internal.h"
#include "img2.h"
#include "libavcodec/mjpeg.h"
#include "libavcodec/vbn.h"
#include "libavcodec/xwd.h"
#include "subtitles.h"
@@ -1131,6 +1132,16 @@ static int gem_probe(const AVProbeData *p)
return 0;
}
static int vbn_probe(const AVProbeData *p)
{
const uint8_t *b = p->buf;
if (AV_RL32(b ) == VBN_MAGIC &&
AV_RL32(b + 4) == VBN_MAJOR &&
AV_RL32(b + 8) == VBN_MINOR)
return AVPROBE_SCORE_MAX - 1;
return 0;
}
#define IMAGEAUTO_DEMUXER_0(imgname, codecid)
#define IMAGEAUTO_DEMUXER_1(imgname, codecid)\
const AVInputFormat ff_image_ ## imgname ## _pipe_demuxer = {\
@@ -1181,6 +1192,7 @@ IMAGEAUTO_DEMUXER(sgi, SGI)
IMAGEAUTO_DEMUXER(sunrast, SUNRAST)
IMAGEAUTO_DEMUXER(svg, SVG)
IMAGEAUTO_DEMUXER(tiff, TIFF)
IMAGEAUTO_DEMUXER(vbn, VBN)
IMAGEAUTO_DEMUXER(webp, WEBP)
IMAGEAUTO_DEMUXER(xbm, XBM)
IMAGEAUTO_DEMUXER(xpm, XPM)