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authorCarl Eugen Hoyos <cehoyos@ag.or.at>2016-01-13 09:01:29 +0100
committerCarl Eugen Hoyos <cehoyos@ag.or.at>2016-01-13 09:01:29 +0100
commitd3fe2e0dc991720bab723e6bc467976e0b14709a (patch)
tree17fde2dff40adf7d2a38f0f5c28ec8d8da9036b0 /libavcodec/mjpeg2jpeg_bsf.c
parent9ca64c31d2f435646fead0cc89207e4c63759ac5 (diff)
downloadffmpeg-d3fe2e0dc991720bab723e6bc467976e0b14709a.tar.gz
lavc/mjpeg2jpeg: Accept more mjpeg streams as input.
Fixes ticket #5151.
Diffstat (limited to 'libavcodec/mjpeg2jpeg_bsf.c')
-rw-r--r--libavcodec/mjpeg2jpeg_bsf.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/libavcodec/mjpeg2jpeg_bsf.c b/libavcodec/mjpeg2jpeg_bsf.c
index 71f015491a..92dc3ca230 100644
--- a/libavcodec/mjpeg2jpeg_bsf.c
+++ b/libavcodec/mjpeg2jpeg_bsf.c
@@ -32,6 +32,7 @@
#include "avcodec.h"
#include "jpegtables.h"
+#include "mjpeg.h"
static const uint8_t jpeg_header[] = {
0xff, 0xd8, // SOI
@@ -93,11 +94,11 @@ static int mjpeg2jpeg_filter(AVBitStreamFilterContext *bsfc,
av_log(avctx, AV_LOG_ERROR, "input is not MJPEG\n");
return AVERROR_INVALIDDATA;
}
- if (memcmp("AVI1", buf + 6, 4)) {
- av_log(avctx, AV_LOG_ERROR, "input is not MJPEG/AVI1\n");
- return AVERROR_INVALIDDATA;
+ if (buf[2] == 0xff && buf[3] == APP0) {
+ input_skip = (buf[4] << 8) + buf[5] + 4;
+ } else {
+ input_skip = 2;
}
- input_skip = (buf[4] << 8) + buf[5] + 4;
if (buf_size < input_skip) {
av_log(avctx, AV_LOG_ERROR, "input is truncated\n");
return AVERROR_INVALIDDATA;