add a ForceSlowCImplementation variable to disable optims
fix ReadPPM
add some robusness validation for function params
sjpeg was returning an error in case no output file was specified (wrong!)
Change-Id: I411bea448f5d81fa2c0efe750ff87de3edd32ee6
note: the riskiness score is not 100% the same in SSE2 vs C because of float. TODO(later): Fix this.
Change-Id: I411bea448f5d81fa2c0efe750ff87de3edd32ee6 note: the riskiness score is not 100% the same in SSE2 vs C because of float. TODO(later): Fix this.