On 2/18/2016 7:59 PM, Carl Eugen Hoyos wrote: > + case AV_PIX_FMT_GBRP: > + ctx->vpx_cs = VPX_CS_SRGB; This is only available since libvpx 1.4.0, so you need to wrap all this new code inside some preprocessor checks. I think VPX_IMAGE_ABI_VERSION >= 3 should do it, but better wait for James Zern for confirmation.