If you get the following error message when trying to compile ffmpeg:

[exec] make: *** [libavcodec/imgresample.o] Error 1

You need to apply the following patch to compile ffmpeg successfully.

• cd /path/to/ffmpeg

Use your favorite Linux text editor, such as vi or pico, to create the following file:

• vi patch_ffmpeg.txt

Insert the following text and then save the file:

Index: libavcodec/imgresample.c =================================================================== --- libavcodec/imgresample.c (revision 16975) +++ libavcodec/imgresample.c (working copy) @@ -517,10 +517,10 @@ static const AVClass context_class = { "imgresample", context_to_name, NULL }; -struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat, - int dstW, int dstH, int dstFormat, +struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, + int dstW, int dstH, enum PixelFormat dstFormat, int flags, SwsFilter *srcFilter, - SwsFilter *dstFilter, double *param) + SwsFilter *dstFilter, const double *param) { struct SwsContext *ctx; @@ -575,9 +575,10 @@ * asumed to remain valid. */ struct SwsContext *sws_getCachedContext(struct SwsContext *ctx, - int srcW, int srcH, int srcFormat, - int dstW, int dstH, int dstFormat, int flags, - SwsFilter *srcFilter, SwsFilter *dstFilter, double *param) + int srcW, int srcH, enum PixelFormat srcFormat, + int dstW, int dstH, enum PixelFormat dstFormat, + int flags, SwsFilter *srcFilter, + SwsFilter *dstFilter, const double *param) { if (ctx != NULL) { if ((ctx->resampling_ctx->iwidth != srcW) ||

Then run the following command to apply the patch:

• /usr/bin/patch -p0 < patch_ffmpeg.txt