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Add NULL check when sws_getContext is failing.

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git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@529 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
This commit is contained in:
aymeric 2009-07-10 09:44:10 +00:00
parent 956f27e487
commit ceced455ce
1 changed files with 21 additions and 0 deletions
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21
linphone/mediastreamer2/src/nowebcam.c
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@ -68,8 +68,18 @@ static mblk_t *jpeg2yuv(uint8_t *jpgbuf, int bufsize, MSVideoSize *reqsize){
sws_ctx=sws_getContext(av_context.width,av_context.height,av_context.pix_fmt,
reqsize->width,reqsize->height,PIX_FMT_YUV420P,SWS_FAST_BILINEAR,
NULL, NULL, NULL);
if (sws_ctx==NULL) {
ms_error("jpeg2yuv: sws_getContext() failed.");
avcodec_close(&av_context);
freemsg(ret);
return NULL;
}
if (sws_scale(sws_ctx,orig.data,orig.linesize,0,av_context.height,dest.data,dest.linesize)<0){
ms_error("jpeg2yuv: sws_scale() failed.");
sws_freeContext(sws_ctx);
avcodec_close(&av_context);
freemsg(ret);
return NULL;
}
sws_freeContext(sws_ctx);
avcodec_close(&av_context);
@ -1616,6 +1626,17 @@ mblk_t *ms_load_jpeg_as_yuv(const char *jpgpath, MSVideoSize *reqsize){
#endif
m=jpeg2yuv(jpgbuf,statbuf.st_size,reqsize);
ms_free(jpgbuf);
if (m==NULL)
{
#if !defined(_MSC_VER)
close(fd);
#else
_close(fd);
#endif
ms_error("Cannot load image from buffer for %s",jpgpath);
m=ms_load_generate_yuv(reqsize);
return m;
}
}else{
m=ms_load_generate_yuv(reqsize);
ms_error("Cannot load %s",jpgpath);