ff_qsv_map_pixfmt  166 libavcodec/qsv_h264.c         qsv_format = ff_qsv_map_pixfmt(s->parser->format);
ff_qsv_map_pixfmt   76 libavcodec/qsv_internal.h int ff_qsv_map_pixfmt(enum AVPixelFormat format);