mirror of https://git.ffmpeg.org/ffmpeg.git
Provide non null class name to avoid crash with ffmpeg -h.
Originally committed as revision 12300 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -512,6 +512,8 @@ void img_resample_close(ImgReSampleContext *s)
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av_free(s);
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}
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static const AVClass context_class = { "imgresample", NULL, NULL };
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struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat,
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int dstW, int dstH, int dstFormat,
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int flags, SwsFilter *srcFilter,
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@ -520,13 +522,12 @@ struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat,
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struct SwsContext *ctx;
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ctx = av_malloc(sizeof(struct SwsContext));
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if (ctx)
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ctx->av_class = av_mallocz(sizeof(AVClass));
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if (!ctx || !ctx->av_class) {
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if (!ctx) {
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av_log(NULL, AV_LOG_ERROR, "Cannot allocate a resampling context!\n");
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return NULL;
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}
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ctx->av_class = &context_class;
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if ((srcH != dstH) || (srcW != dstW)) {
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if ((srcFormat != PIX_FMT_YUV420P) || (dstFormat != PIX_FMT_YUV420P)) {
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