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fix segfault with http://sam.zoy.org/zzuf/lol-ffplay.ogm and
http://sam.zoy.org/zzuf/lol-ffplay.ogg Originally committed as revision 7561 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -672,6 +672,8 @@ struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat,
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void sws_freeContext(struct SwsContext *ctx)
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{
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if (!ctx)
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return;
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if ((ctx->resampling_ctx->iwidth != ctx->resampling_ctx->owidth) ||
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(ctx->resampling_ctx->iheight != ctx->resampling_ctx->oheight)) {
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img_resample_close(ctx->resampling_ctx);
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