When JPEG-LS support is disabled the decoder would feed the data to the JPEG Lossless decode_*_scan function resulting in faulty decoding.
CC: [email protected] --- libavcodec/mjpegdec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c index 5b44a49..83b40d9 100644 --- a/libavcodec/mjpegdec.c +++ b/libavcodec/mjpegdec.c @@ -1492,6 +1492,12 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, else if (start_code == COM) mjpeg_decode_com(s); + if (!CONFIG_JPEGLS_DECODER && + (start_code == SOF48 || start_code == LSE)) { + av_log(avctx, AV_LOG_ERROR, "JPEG-LS support not enabled.\n"); + return AVERROR(ENOSYS); + } + switch (start_code) { case SOI: s->restart_interval = 0; -- 1.8.1.5 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
