case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break;
case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
}
case AVERROR_NUMEXPECTED: errstr = "Number syntax expected in filename"; break;
case AVERROR_PATCHWELCOME: errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
}